Home / 89,802.20-123,927.90-49,517.58

Finding the Fourth Proportional to 89,802.20, 123,927.90 and 49,517.58

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Solution

The fourth proportional to 89,802.20, 123,927.90 and 49,517.58 is: 68,334.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,802.20 : 123,927.90 = 49,517.58 : x
  2. Step 2: Convert to fraction form
    89,802.20/123,927.90 = 49,517.58/x
  3. Step 3: Cross multiply
    89,802.20x = 123,927.90 × 49,517.58
  4. Step 4: Simplify right side
    89,802.20x = 6,136,609,702.48
  5. Step 5: Solve for x
    x = 6,136,609,702.48/89,802.20
  6. Step 6: Final answer
    x = 68,334.74

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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.