Home / 87,084.45-120,186.45-48,854.21

Finding the Fourth Proportional to 87,084.45, 120,186.45 and 48,854.21

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Solution

The fourth proportional to 87,084.45, 120,186.45 and 48,854.21 is: 67,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,084.45 : 120,186.45 = 48,854.21 : x
  2. Step 2: Convert to fraction form
    87,084.45/120,186.45 = 48,854.21/x
  3. Step 3: Cross multiply
    87,084.45x = 120,186.45 × 48,854.21
  4. Step 4: Simplify right side
    87,084.45x = 5,871,613,466.52
  5. Step 5: Solve for x
    x = 5,871,613,466.52/87,084.45
  6. Step 6: Final answer
    x = 67,424.36

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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.