Home / 89,331.27-123,280.32-49,048.11

Finding the Fourth Proportional to 89,331.27, 123,280.32 and 49,048.11

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Solution

The fourth proportional to 89,331.27, 123,280.32 and 49,048.11 is: 67,688.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,331.27 : 123,280.32 = 49,048.11 : x
  2. Step 2: Convert to fraction form
    89,331.27/123,280.32 = 49,048.11/x
  3. Step 3: Cross multiply
    89,331.27x = 123,280.32 × 49,048.11
  4. Step 4: Simplify right side
    89,331.27x = 6,046,666,696.20
  5. Step 5: Solve for x
    x = 6,046,666,696.20/89,331.27
  6. Step 6: Final answer
    x = 67,688.13

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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.