Home / 125,861.43-173,644.94-71,407.18

Finding the Fourth Proportional to 125,861.43, 173,644.94 and 71,407.18

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Solution

The fourth proportional to 125,861.43, 173,644.94 and 71,407.18 is: 98,517.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,861.43 : 173,644.94 = 71,407.18 : x
  2. Step 2: Convert to fraction form
    125,861.43/173,644.94 = 71,407.18/x
  3. Step 3: Cross multiply
    125,861.43x = 173,644.94 × 71,407.18
  4. Step 4: Simplify right side
    125,861.43x = 12,399,495,486.67
  5. Step 5: Solve for x
    x = 12,399,495,486.67/125,861.43
  6. Step 6: Final answer
    x = 98,517.04

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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.