Home / 87,072.42-120,167.10-48,831.24

Finding the Fourth Proportional to 87,072.42, 120,167.10 and 48,831.24

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Solution

The fourth proportional to 87,072.42, 120,167.10 and 48,831.24 is: 67,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,072.42 : 120,167.10 = 48,831.24 : x
  2. Step 2: Convert to fraction form
    87,072.42/120,167.10 = 48,831.24/x
  3. Step 3: Cross multiply
    87,072.42x = 120,167.10 × 48,831.24
  4. Step 4: Simplify right side
    87,072.42x = 5,867,908,500.20
  5. Step 5: Solve for x
    x = 5,867,908,500.20/87,072.42
  6. Step 6: Final answer
    x = 67,391.13

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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.