Home / 74,914.29-103,377.15-40,915.89

Finding the Fourth Proportional to 74,914.29, 103,377.15 and 40,915.89

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Solution

The fourth proportional to 74,914.29, 103,377.15 and 40,915.89 is: 56,461.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,914.29 : 103,377.15 = 40,915.89 : x
  2. Step 2: Convert to fraction form
    74,914.29/103,377.15 = 40,915.89/x
  3. Step 3: Cross multiply
    74,914.29x = 103,377.15 × 40,915.89
  4. Step 4: Simplify right side
    74,914.29x = 4,229,768,097.91
  5. Step 5: Solve for x
    x = 4,229,768,097.91/74,914.29
  6. Step 6: Final answer
    x = 56,461.43

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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.