Home / 87,384.79-120,589.85-49,144.33

Finding the Fourth Proportional to 87,384.79, 120,589.85 and 49,144.33

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Solution

The fourth proportional to 87,384.79, 120,589.85 and 49,144.33 is: 67,818.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,384.79 : 120,589.85 = 49,144.33 : x
  2. Step 2: Convert to fraction form
    87,384.79/120,589.85 = 49,144.33/x
  3. Step 3: Cross multiply
    87,384.79x = 120,589.85 × 49,144.33
  4. Step 4: Simplify right side
    87,384.79x = 5,926,307,383.05
  5. Step 5: Solve for x
    x = 5,926,307,383.05/87,384.79
  6. Step 6: Final answer
    x = 67,818.52

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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.