Home / 89,159.20-123,034.48-48,864.96

Finding the Fourth Proportional to 89,159.20, 123,034.48 and 48,864.96

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Solution

The fourth proportional to 89,159.20, 123,034.48 and 48,864.96 is: 67,430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,159.20 : 123,034.48 = 48,864.96 : x
  2. Step 2: Convert to fraction form
    89,159.20/123,034.48 = 48,864.96/x
  3. Step 3: Cross multiply
    89,159.20x = 123,034.48 × 48,864.96
  4. Step 4: Simplify right side
    89,159.20x = 6,012,074,943.82
  5. Step 5: Solve for x
    x = 6,012,074,943.82/89,159.20
  6. Step 6: Final answer
    x = 67,430.79

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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.