Home / 85,174.40-127,666.56-37,799.12

Finding the Fourth Proportional to 85,174.40, 127,666.56 and 37,799.12

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Solution

The fourth proportional to 85,174.40, 127,666.56 and 37,799.12 is: 56,656.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,174.40 : 127,666.56 = 37,799.12 : x
  2. Step 2: Convert to fraction form
    85,174.40/127,666.56 = 37,799.12/x
  3. Step 3: Cross multiply
    85,174.40x = 127,666.56 × 37,799.12
  4. Step 4: Simplify right side
    85,174.40x = 4,825,683,621.43
  5. Step 5: Solve for x
    x = 4,825,683,621.43/85,174.40
  6. Step 6: Final answer
    x = 56,656.50

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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.