Home / 89,219.61-123,126.52-48,935.07

Finding the Fourth Proportional to 89,219.61, 123,126.52 and 48,935.07

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Solution

The fourth proportional to 89,219.61, 123,126.52 and 48,935.07 is: 67,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,219.61 : 123,126.52 = 48,935.07 : x
  2. Step 2: Convert to fraction form
    89,219.61/123,126.52 = 48,935.07/x
  3. Step 3: Cross multiply
    89,219.61x = 123,126.52 × 48,935.07
  4. Step 4: Simplify right side
    89,219.61x = 6,025,204,630.38
  5. Step 5: Solve for x
    x = 6,025,204,630.38/89,219.61
  6. Step 6: Final answer
    x = 67,532.29

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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.