Home / 125,764.59-173,503.94-71,305.30

Finding the Fourth Proportional to 125,764.59, 173,503.94 and 71,305.30

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Solution

The fourth proportional to 125,764.59, 173,503.94 and 71,305.30 is: 98,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,764.59 : 173,503.94 = 71,305.30 : x
  2. Step 2: Convert to fraction form
    125,764.59/173,503.94 = 71,305.30/x
  3. Step 3: Cross multiply
    125,764.59x = 173,503.94 × 71,305.30
  4. Step 4: Simplify right side
    125,764.59x = 12,371,750,353.24
  5. Step 5: Solve for x
    x = 12,371,750,353.24/125,764.59
  6. Step 6: Final answer
    x = 98,372.28

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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.