Home / 83,269.75-114,909.40-47,471.30

Finding the Fourth Proportional to 83,269.75, 114,909.40 and 47,471.30

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Solution

The fourth proportional to 83,269.75, 114,909.40 and 47,471.30 is: 65,508.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,269.75 : 114,909.40 = 47,471.30 : x
  2. Step 2: Convert to fraction form
    83,269.75/114,909.40 = 47,471.30/x
  3. Step 3: Cross multiply
    83,269.75x = 114,909.40 × 47,471.30
  4. Step 4: Simplify right side
    83,269.75x = 5,454,898,600.22
  5. Step 5: Solve for x
    x = 5,454,898,600.22/83,269.75
  6. Step 6: Final answer
    x = 65,508.77

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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.