Home / 87,946.60-132,017.10-54,704.20

Finding the Fourth Proportional to 87,946.60, 132,017.10 and 54,704.20

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Solution

The fourth proportional to 87,946.60, 132,017.10 and 54,704.20 is: 82,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,946.60 : 132,017.10 = 54,704.20 : x
  2. Step 2: Convert to fraction form
    87,946.60/132,017.10 = 54,704.20/x
  3. Step 3: Cross multiply
    87,946.60x = 132,017.10 × 54,704.20
  4. Step 4: Simplify right side
    87,946.60x = 7,221,889,841.82
  5. Step 5: Solve for x
    x = 7,221,889,841.82/87,946.60
  6. Step 6: Final answer
    x = 82,116.76

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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.