Home / 89,515.98-123,529.58-49,229.74

Finding the Fourth Proportional to 89,515.98, 123,529.58 and 49,229.74

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Solution

The fourth proportional to 89,515.98, 123,529.58 and 49,229.74 is: 67,935.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,515.98 : 123,529.58 = 49,229.74 : x
  2. Step 2: Convert to fraction form
    89,515.98/123,529.58 = 49,229.74/x
  3. Step 3: Cross multiply
    89,515.98x = 123,529.58 × 49,229.74
  4. Step 4: Simplify right side
    89,515.98x = 6,081,329,105.71
  5. Step 5: Solve for x
    x = 6,081,329,105.71/89,515.98
  6. Step 6: Final answer
    x = 67,935.68

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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.