Home / 57,934.30-86,901.45-40,116.70

Finding the Fourth Proportional to 57,934.30, 86,901.45 and 40,116.70

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Solution

The fourth proportional to 57,934.30, 86,901.45 and 40,116.70 is: 60,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,934.30 : 86,901.45 = 40,116.70 : x
  2. Step 2: Convert to fraction form
    57,934.30/86,901.45 = 40,116.70/x
  3. Step 3: Cross multiply
    57,934.30x = 86,901.45 × 40,116.70
  4. Step 4: Simplify right side
    57,934.30x = 3,486,199,399.22
  5. Step 5: Solve for x
    x = 3,486,199,399.22/57,934.30
  6. Step 6: Final answer
    x = 60,175.05

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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.