Home / 83,933.55-125,741.87-64,990.71

Finding the Fourth Proportional to 83,933.55, 125,741.87 and 64,990.71

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Solution

The fourth proportional to 83,933.55, 125,741.87 and 64,990.71 is: 97,363.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,933.55 : 125,741.87 = 64,990.71 : x
  2. Step 2: Convert to fraction form
    83,933.55/125,741.87 = 64,990.71/x
  3. Step 3: Cross multiply
    83,933.55x = 125,741.87 × 64,990.71
  4. Step 4: Simplify right side
    83,933.55x = 8,172,053,570.50
  5. Step 5: Solve for x
    x = 8,172,053,570.50/83,933.55
  6. Step 6: Final answer
    x = 97,363.37

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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.