Home / 83,948.60-125,922.90-47,007.80

Finding the Fourth Proportional to 83,948.60, 125,922.90 and 47,007.80

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Solution

The fourth proportional to 83,948.60, 125,922.90 and 47,007.80 is: 70,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,948.60 : 125,922.90 = 47,007.80 : x
  2. Step 2: Convert to fraction form
    83,948.60/125,922.90 = 47,007.80/x
  3. Step 3: Cross multiply
    83,948.60x = 125,922.90 × 47,007.80
  4. Step 4: Simplify right side
    83,948.60x = 5,919,358,498.62
  5. Step 5: Solve for x
    x = 5,919,358,498.62/83,948.60
  6. Step 6: Final answer
    x = 70,511.70

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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.