Home / 83,868.27-125,829.74-39,499.50

Finding the Fourth Proportional to 83,868.27, 125,829.74 and 39,499.50

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Solution

The fourth proportional to 83,868.27, 125,829.74 and 39,499.50 is: 59,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,868.27 : 125,829.74 = 39,499.50 : x
  2. Step 2: Convert to fraction form
    83,868.27/125,829.74 = 39,499.50/x
  3. Step 3: Cross multiply
    83,868.27x = 125,829.74 × 39,499.50
  4. Step 4: Simplify right side
    83,868.27x = 4,970,211,815.13
  5. Step 5: Solve for x
    x = 4,970,211,815.13/83,868.27
  6. Step 6: Final answer
    x = 59,262.12

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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.