Home / 85,243.05-127,864.58-37,847.00

Finding the Fourth Proportional to 85,243.05, 127,864.58 and 37,847.00

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Solution

The fourth proportional to 85,243.05, 127,864.58 and 37,847.00 is: 56,770.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,243.05 : 127,864.58 = 37,847.00 : x
  2. Step 2: Convert to fraction form
    85,243.05/127,864.58 = 37,847.00/x
  3. Step 3: Cross multiply
    85,243.05x = 127,864.58 × 37,847.00
  4. Step 4: Simplify right side
    85,243.05x = 4,839,290,889.69
  5. Step 5: Solve for x
    x = 4,839,290,889.69/85,243.05
  6. Step 6: Final answer
    x = 56,770.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.