Home / 74,575.97-102,915.27-40,584.72

Finding the Fourth Proportional to 74,575.97, 102,915.27 and 40,584.72

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Solution

The fourth proportional to 74,575.97, 102,915.27 and 40,584.72 is: 56,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,575.97 : 102,915.27 = 40,584.72 : x
  2. Step 2: Convert to fraction form
    74,575.97/102,915.27 = 40,584.72/x
  3. Step 3: Cross multiply
    74,575.97x = 102,915.27 × 40,584.72
  4. Step 4: Simplify right side
    74,575.97x = 4,176,787,416.67
  5. Step 5: Solve for x
    x = 4,176,787,416.67/74,575.97
  6. Step 6: Final answer
    x = 56,007.15

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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.