Home / 109,092.46-150,546.65-61,344.79

Finding the Fourth Proportional to 109,092.46, 150,546.65 and 61,344.79

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Solution

The fourth proportional to 109,092.46, 150,546.65 and 61,344.79 is: 84,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,092.46 : 150,546.65 = 61,344.79 : x
  2. Step 2: Convert to fraction form
    109,092.46/150,546.65 = 61,344.79/x
  3. Step 3: Cross multiply
    109,092.46x = 150,546.65 × 61,344.79
  4. Step 4: Simplify right side
    109,092.46x = 9,235,251,876.72
  5. Step 5: Solve for x
    x = 9,235,251,876.72/109,092.46
  6. Step 6: Final answer
    x = 84,655.27

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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.