Home / 83,665.48-125,539.26-36,862.60

Finding the Fourth Proportional to 83,665.48, 125,539.26 and 36,862.60

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Solution

The fourth proportional to 83,665.48, 125,539.26 and 36,862.60 is: 55,311.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,665.48 : 125,539.26 = 36,862.60 : x
  2. Step 2: Convert to fraction form
    83,665.48/125,539.26 = 36,862.60/x
  3. Step 3: Cross multiply
    83,665.48x = 125,539.26 × 36,862.60
  4. Step 4: Simplify right side
    83,665.48x = 4,627,703,525.68
  5. Step 5: Solve for x
    x = 4,627,703,525.68/83,665.48
  6. Step 6: Final answer
    x = 55,311.98

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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.