Home / 83,740.12-125,597.10-54,366.28

Finding the Fourth Proportional to 83,740.12, 125,597.10 and 54,366.28

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Solution

The fourth proportional to 83,740.12, 125,597.10 and 54,366.28 is: 81,540.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,740.12 : 125,597.10 = 54,366.28 : x
  2. Step 2: Convert to fraction form
    83,740.12/125,597.10 = 54,366.28/x
  3. Step 3: Cross multiply
    83,740.12x = 125,597.10 × 54,366.28
  4. Step 4: Simplify right side
    83,740.12x = 6,828,247,105.79
  5. Step 5: Solve for x
    x = 6,828,247,105.79/83,740.12
  6. Step 6: Final answer
    x = 81,540.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.