Home / 89,382.62-123,349.02-49,097.32

Finding the Fourth Proportional to 89,382.62, 123,349.02 and 49,097.32

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Solution

The fourth proportional to 89,382.62, 123,349.02 and 49,097.32 is: 67,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,382.62 : 123,349.02 = 49,097.32 : x
  2. Step 2: Convert to fraction form
    89,382.62/123,349.02 = 49,097.32/x
  3. Step 3: Cross multiply
    89,382.62x = 123,349.02 × 49,097.32
  4. Step 4: Simplify right side
    89,382.62x = 6,056,106,306.63
  5. Step 5: Solve for x
    x = 6,056,106,306.63/89,382.62
  6. Step 6: Final answer
    x = 67,754.85

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1.5x scale

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.