Home / 87,624.39-120,921.51-49,898.64

Finding the Fourth Proportional to 87,624.39, 120,921.51 and 49,898.64

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Solution

The fourth proportional to 87,624.39, 120,921.51 and 49,898.64 is: 68,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,624.39 : 120,921.51 = 49,898.64 : x
  2. Step 2: Convert to fraction form
    87,624.39/120,921.51 = 49,898.64/x
  3. Step 3: Cross multiply
    87,624.39x = 120,921.51 × 49,898.64
  4. Step 4: Simplify right side
    87,624.39x = 6,033,818,895.75
  5. Step 5: Solve for x
    x = 6,033,818,895.75/87,624.39
  6. Step 6: Final answer
    x = 68,860.04

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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.