Home / 83,966.20-125,946.60-27,808.90

Finding the Fourth Proportional to 83,966.20, 125,946.60 and 27,808.90

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Solution

The fourth proportional to 83,966.20, 125,946.60 and 27,808.90 is: 41,712.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,966.20 : 125,946.60 = 27,808.90 : x
  2. Step 2: Convert to fraction form
    83,966.20/125,946.60 = 27,808.90/x
  3. Step 3: Cross multiply
    83,966.20x = 125,946.60 × 27,808.90
  4. Step 4: Simplify right side
    83,966.20x = 3,502,436,404.74
  5. Step 5: Solve for x
    x = 3,502,436,404.74/83,966.20
  6. Step 6: Final answer
    x = 41,712.46

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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.