Home / 87,657.28-120,950.04-53,673.52

Finding the Fourth Proportional to 87,657.28, 120,950.04 and 53,673.52

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Solution

The fourth proportional to 87,657.28, 120,950.04 and 53,673.52 is: 74,059.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,657.28 : 120,950.04 = 53,673.52 : x
  2. Step 2: Convert to fraction form
    87,657.28/120,950.04 = 53,673.52/x
  3. Step 3: Cross multiply
    87,657.28x = 120,950.04 × 53,673.52
  4. Step 4: Simplify right side
    87,657.28x = 6,491,814,390.94
  5. Step 5: Solve for x
    x = 6,491,814,390.94/87,657.28
  6. Step 6: Final answer
    x = 74,059.04

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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.