Home / 78,834.15-108,789.08-43,024.59

Finding the Fourth Proportional to 78,834.15, 108,789.08 and 43,024.59

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Solution

The fourth proportional to 78,834.15, 108,789.08 and 43,024.59 is: 59,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,834.15 : 108,789.08 = 43,024.59 : x
  2. Step 2: Convert to fraction form
    78,834.15/108,789.08 = 43,024.59/x
  3. Step 3: Cross multiply
    78,834.15x = 108,789.08 × 43,024.59
  4. Step 4: Simplify right side
    78,834.15x = 4,680,605,348.35
  5. Step 5: Solve for x
    x = 4,680,605,348.35/78,834.15
  6. Step 6: Final answer
    x = 59,372.81

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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.