Home / 87,192.79-120,327.29-48,960.62

Finding the Fourth Proportional to 87,192.79, 120,327.29 and 48,960.62

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Solution

The fourth proportional to 87,192.79, 120,327.29 and 48,960.62 is: 67,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,192.79 : 120,327.29 = 48,960.62 : x
  2. Step 2: Convert to fraction form
    87,192.79/120,327.29 = 48,960.62/x
  3. Step 3: Cross multiply
    87,192.79x = 120,327.29 × 48,960.62
  4. Step 4: Simplify right side
    87,192.79x = 5,891,298,509.71
  5. Step 5: Solve for x
    x = 5,891,298,509.71/87,192.79
  6. Step 6: Final answer
    x = 67,566.35

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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.