Home / 89,790.14-123,915.96-49,503.83

Finding the Fourth Proportional to 89,790.14, 123,915.96 and 49,503.83

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Solution

The fourth proportional to 89,790.14, 123,915.96 and 49,503.83 is: 68,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,790.14 : 123,915.96 = 49,503.83 : x
  2. Step 2: Convert to fraction form
    89,790.14/123,915.96 = 49,503.83/x
  3. Step 3: Cross multiply
    89,790.14x = 123,915.96 × 49,503.83
  4. Step 4: Simplify right side
    89,790.14x = 6,134,313,998.55
  5. Step 5: Solve for x
    x = 6,134,313,998.55/89,790.14
  6. Step 6: Final answer
    x = 68,318.35

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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.