Home / 87,114.90-120,211.26-48,869.10

Finding the Fourth Proportional to 87,114.90, 120,211.26 and 48,869.10

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Solution

The fourth proportional to 87,114.90, 120,211.26 and 48,869.10 is: 67,435.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,114.90 : 120,211.26 = 48,869.10 : x
  2. Step 2: Convert to fraction form
    87,114.90/120,211.26 = 48,869.10/x
  3. Step 3: Cross multiply
    87,114.90x = 120,211.26 × 48,869.10
  4. Step 4: Simplify right side
    87,114.90x = 5,874,616,086.07
  5. Step 5: Solve for x
    x = 5,874,616,086.07/87,114.90
  6. Step 6: Final answer
    x = 67,435.26

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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.