Home / 125,503.29-173,145.24-71,759.46

Finding the Fourth Proportional to 125,503.29, 173,145.24 and 71,759.46

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Solution

The fourth proportional to 125,503.29, 173,145.24 and 71,759.46 is: 98,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,503.29 : 173,145.24 = 71,759.46 : x
  2. Step 2: Convert to fraction form
    125,503.29/173,145.24 = 71,759.46/x
  3. Step 3: Cross multiply
    125,503.29x = 173,145.24 × 71,759.46
  4. Step 4: Simplify right side
    125,503.29x = 12,424,808,923.97
  5. Step 5: Solve for x
    x = 12,424,808,923.97/125,503.29
  6. Step 6: Final answer
    x = 98,999.87

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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.