Home / 89,500.85-123,480.43-55,497.10

Finding the Fourth Proportional to 89,500.85, 123,480.43 and 55,497.10

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Solution

The fourth proportional to 89,500.85, 123,480.43 and 55,497.10 is: 76,566.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,500.85 : 123,480.43 = 55,497.10 : x
  2. Step 2: Convert to fraction form
    89,500.85/123,480.43 = 55,497.10/x
  3. Step 3: Cross multiply
    89,500.85x = 123,480.43 × 55,497.10
  4. Step 4: Simplify right side
    89,500.85x = 6,852,804,876.87
  5. Step 5: Solve for x
    x = 6,852,804,876.87/89,500.85
  6. Step 6: Final answer
    x = 76,566.93

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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.