Home / 56,935.10-85,402.65-40,313.90

Finding the Fourth Proportional to 56,935.10, 85,402.65 and 40,313.90

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Solution

The fourth proportional to 56,935.10, 85,402.65 and 40,313.90 is: 60,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935.10 : 85,402.65 = 40,313.90 : x
  2. Step 2: Convert to fraction form
    56,935.10/85,402.65 = 40,313.90/x
  3. Step 3: Cross multiply
    56,935.10x = 85,402.65 × 40,313.90
  4. Step 4: Simplify right side
    56,935.10x = 3,442,913,891.84
  5. Step 5: Solve for x
    x = 3,442,913,891.84/56,935.10
  6. Step 6: Final answer
    x = 60,470.85

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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.