Home / 83,944.60-125,916.90-47,003.80

Finding the Fourth Proportional to 83,944.60, 125,916.90 and 47,003.80

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Solution

The fourth proportional to 83,944.60, 125,916.90 and 47,003.80 is: 70,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,944.60 : 125,916.90 = 47,003.80 : x
  2. Step 2: Convert to fraction form
    83,944.60/125,916.90 = 47,003.80/x
  3. Step 3: Cross multiply
    83,944.60x = 125,916.90 × 47,003.80
  4. Step 4: Simplify right side
    83,944.60x = 5,918,572,784.22
  5. Step 5: Solve for x
    x = 5,918,572,784.22/83,944.60
  6. Step 6: Final answer
    x = 70,505.70

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Similar ratio
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1.5x scale

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.