Home / 83,910.20-125,573.70-57,666.20

Finding the Fourth Proportional to 83,910.20, 125,573.70 and 57,666.20

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Solution

The fourth proportional to 83,910.20, 125,573.70 and 57,666.20 is: 86,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,910.20 : 125,573.70 = 57,666.20 : x
  2. Step 2: Convert to fraction form
    83,910.20/125,573.70 = 57,666.20/x
  3. Step 3: Cross multiply
    83,910.20x = 125,573.70 × 57,666.20
  4. Step 4: Simplify right side
    83,910.20x = 7,241,358,098.94
  5. Step 5: Solve for x
    x = 7,241,358,098.94/83,910.20
  6. Step 6: Final answer
    x = 86,298.90

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1.5x scale

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.