Home / 85,967.18-128,798.20-35,936.98

Finding the Fourth Proportional to 85,967.18, 128,798.20 and 35,936.98

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Solution

The fourth proportional to 85,967.18, 128,798.20 and 35,936.98 is: 53,841.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,967.18 : 128,798.20 = 35,936.98 : x
  2. Step 2: Convert to fraction form
    85,967.18/128,798.20 = 35,936.98/x
  3. Step 3: Cross multiply
    85,967.18x = 128,798.20 × 35,936.98
  4. Step 4: Simplify right side
    85,967.18x = 4,628,618,337.44
  5. Step 5: Solve for x
    x = 4,628,618,337.44/85,967.18
  6. Step 6: Final answer
    x = 53,841.69

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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.