Home / 53,915.10-74,651.67-49,767.90

Finding the Fourth Proportional to 53,915.10, 74,651.67 and 49,767.90

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Solution

The fourth proportional to 53,915.10, 74,651.67 and 49,767.90 is: 68,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,915.10 : 74,651.67 = 49,767.90 : x
  2. Step 2: Convert to fraction form
    53,915.10/74,651.67 = 49,767.90/x
  3. Step 3: Cross multiply
    53,915.10x = 74,651.67 × 49,767.90
  4. Step 4: Simplify right side
    53,915.10x = 3,715,256,847.39
  5. Step 5: Solve for x
    x = 3,715,256,847.39/53,915.10
  6. Step 6: Final answer
    x = 68,909.39

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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.