Home / 83,444.61-125,166.88-55,419.38

Finding the Fourth Proportional to 83,444.61, 125,166.88 and 55,419.38

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Solution

The fourth proportional to 83,444.61, 125,166.88 and 55,419.38 is: 83,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,444.61 : 125,166.88 = 55,419.38 : x
  2. Step 2: Convert to fraction form
    83,444.61/125,166.88 = 55,419.38/x
  3. Step 3: Cross multiply
    83,444.61x = 125,166.88 × 55,419.38
  4. Step 4: Simplify right side
    83,444.61x = 6,936,670,798.95
  5. Step 5: Solve for x
    x = 6,936,670,798.95/83,444.61
  6. Step 6: Final answer
    x = 83,129.05

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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.