Home / 89,343.38-123,288.30-49,056.95

Finding the Fourth Proportional to 89,343.38, 123,288.30 and 49,056.95

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Solution

The fourth proportional to 89,343.38, 123,288.30 and 49,056.95 is: 67,695.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,343.38 : 123,288.30 = 49,056.95 : x
  2. Step 2: Convert to fraction form
    89,343.38/123,288.30 = 49,056.95/x
  3. Step 3: Cross multiply
    89,343.38x = 123,288.30 × 49,056.95
  4. Step 4: Simplify right side
    89,343.38x = 6,048,148,276.91
  5. Step 5: Solve for x
    x = 6,048,148,276.91/89,343.38
  6. Step 6: Final answer
    x = 67,695.54

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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.