Home / 89,782.14-123,900.15-49,497.32

Finding the Fourth Proportional to 89,782.14, 123,900.15 and 49,497.32

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Solution

The fourth proportional to 89,782.14, 123,900.15 and 49,497.32 is: 68,306.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,782.14 : 123,900.15 = 49,497.32 : x
  2. Step 2: Convert to fraction form
    89,782.14/123,900.15 = 49,497.32/x
  3. Step 3: Cross multiply
    89,782.14x = 123,900.15 × 49,497.32
  4. Step 4: Simplify right side
    89,782.14x = 6,132,725,372.60
  5. Step 5: Solve for x
    x = 6,132,725,372.60/89,782.14
  6. Step 6: Final answer
    x = 68,306.74

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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.