Home / 87,004.59-120,064.29-51,196.92

Finding the Fourth Proportional to 87,004.59, 120,064.29 and 51,196.92

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Solution

The fourth proportional to 87,004.59, 120,064.29 and 51,196.92 is: 70,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,004.59 : 120,064.29 = 51,196.92 : x
  2. Step 2: Convert to fraction form
    87,004.59/120,064.29 = 51,196.92/x
  3. Step 3: Cross multiply
    87,004.59x = 120,064.29 × 51,196.92
  4. Step 4: Simplify right side
    87,004.59x = 6,146,921,849.99
  5. Step 5: Solve for x
    x = 6,146,921,849.99/87,004.59
  6. Step 6: Final answer
    x = 70,650.55

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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.