Home / 87,417.27-120,636.29-51,624.92

Finding the Fourth Proportional to 87,417.27, 120,636.29 and 51,624.92

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Solution

The fourth proportional to 87,417.27, 120,636.29 and 51,624.92 is: 71,242.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,417.27 : 120,636.29 = 51,624.92 : x
  2. Step 2: Convert to fraction form
    87,417.27/120,636.29 = 51,624.92/x
  3. Step 3: Cross multiply
    87,417.27x = 120,636.29 × 51,624.92
  4. Step 4: Simplify right side
    87,417.27x = 6,227,839,251.00
  5. Step 5: Solve for x
    x = 6,227,839,251.00/87,417.27
  6. Step 6: Final answer
    x = 71,242.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.