Home / 125,717.52-173,475.64-71,999.34

Finding the Fourth Proportional to 125,717.52, 173,475.64 and 71,999.34

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Solution

The fourth proportional to 125,717.52, 173,475.64 and 71,999.34 is: 99,350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,717.52 : 173,475.64 = 71,999.34 : x
  2. Step 2: Convert to fraction form
    125,717.52/173,475.64 = 71,999.34/x
  3. Step 3: Cross multiply
    125,717.52x = 173,475.64 × 71,999.34
  4. Step 4: Simplify right side
    125,717.52x = 12,490,131,586.08
  5. Step 5: Solve for x
    x = 12,490,131,586.08/125,717.52
  6. Step 6: Final answer
    x = 99,350.76

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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.