Home / 83,365.24-115,060.42-47,551.80

Finding the Fourth Proportional to 83,365.24, 115,060.42 and 47,551.80

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Solution

The fourth proportional to 83,365.24, 115,060.42 and 47,551.80 is: 65,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,365.24 : 115,060.42 = 47,551.80 : x
  2. Step 2: Convert to fraction form
    83,365.24/115,060.42 = 47,551.80/x
  3. Step 3: Cross multiply
    83,365.24x = 115,060.42 × 47,551.80
  4. Step 4: Simplify right side
    83,365.24x = 5,471,330,079.76
  5. Step 5: Solve for x
    x = 5,471,330,079.76/83,365.24
  6. Step 6: Final answer
    x = 65,630.83

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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.