Home / 83,909.04-115,794.76-48,101.20

Finding the Fourth Proportional to 83,909.04, 115,794.76 and 48,101.20

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Solution

The fourth proportional to 83,909.04, 115,794.76 and 48,101.20 is: 66,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,909.04 : 115,794.76 = 48,101.20 : x
  2. Step 2: Convert to fraction form
    83,909.04/115,794.76 = 48,101.20/x
  3. Step 3: Cross multiply
    83,909.04x = 115,794.76 × 48,101.20
  4. Step 4: Simplify right side
    83,909.04x = 5,569,866,909.71
  5. Step 5: Solve for x
    x = 5,569,866,909.71/83,909.04
  6. Step 6: Final answer
    x = 66,379.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.