Home / 87,215.40-130,823.10-62,332.20

Finding the Fourth Proportional to 87,215.40, 130,823.10 and 62,332.20

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Solution

The fourth proportional to 87,215.40, 130,823.10 and 62,332.20 is: 93,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,215.40 : 130,823.10 = 62,332.20 : x
  2. Step 2: Convert to fraction form
    87,215.40/130,823.10 = 62,332.20/x
  3. Step 3: Cross multiply
    87,215.40x = 130,823.10 × 62,332.20
  4. Step 4: Simplify right side
    87,215.40x = 8,154,491,633.82
  5. Step 5: Solve for x
    x = 8,154,491,633.82/87,215.40
  6. Step 6: Final answer
    x = 93,498.30

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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.