Home / 83,769.37-125,473.60-39,329.53

Finding the Fourth Proportional to 83,769.37, 125,473.60 and 39,329.53

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Solution

The fourth proportional to 83,769.37, 125,473.60 and 39,329.53 is: 58,909.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,769.37 : 125,473.60 = 39,329.53 : x
  2. Step 2: Convert to fraction form
    83,769.37/125,473.60 = 39,329.53/x
  3. Step 3: Cross multiply
    83,769.37x = 125,473.60 × 39,329.53
  4. Step 4: Simplify right side
    83,769.37x = 4,934,817,715.41
  5. Step 5: Solve for x
    x = 4,934,817,715.41/83,769.37
  6. Step 6: Final answer
    x = 58,909.57

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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.