Home / 74,748.10-103,151.82-40,757.17

Finding the Fourth Proportional to 74,748.10, 103,151.82 and 40,757.17

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Solution

The fourth proportional to 74,748.10, 103,151.82 and 40,757.17 is: 56,244.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748.10 : 103,151.82 = 40,757.17 : x
  2. Step 2: Convert to fraction form
    74,748.10/103,151.82 = 40,757.17/x
  3. Step 3: Cross multiply
    74,748.10x = 103,151.82 × 40,757.17
  4. Step 4: Simplify right side
    74,748.10x = 4,204,176,263.55
  5. Step 5: Solve for x
    x = 4,204,176,263.55/74,748.10
  6. Step 6: Final answer
    x = 56,244.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.