Home / 89,468.66-123,468.29-49,184.12

Finding the Fourth Proportional to 89,468.66, 123,468.29 and 49,184.12

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Solution

The fourth proportional to 89,468.66, 123,468.29 and 49,184.12 is: 67,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,468.66 : 123,468.29 = 49,184.12 : x
  2. Step 2: Convert to fraction form
    89,468.66/123,468.29 = 49,184.12/x
  3. Step 3: Cross multiply
    89,468.66x = 123,468.29 × 49,184.12
  4. Step 4: Simplify right side
    89,468.66x = 6,072,678,328.29
  5. Step 5: Solve for x
    x = 6,072,678,328.29/89,468.66
  6. Step 6: Final answer
    x = 67,874.93

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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.