Home / 125,581.86-173,299.96-71,863.45

Finding the Fourth Proportional to 125,581.86, 173,299.96 and 71,863.45

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Solution

The fourth proportional to 125,581.86, 173,299.96 and 71,863.45 is: 99,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,581.86 : 173,299.96 = 71,863.45 : x
  2. Step 2: Convert to fraction form
    125,581.86/173,299.96 = 71,863.45/x
  3. Step 3: Cross multiply
    125,581.86x = 173,299.96 × 71,863.45
  4. Step 4: Simplify right side
    125,581.86x = 12,453,933,010.46
  5. Step 5: Solve for x
    x = 12,453,933,010.46/125,581.86
  6. Step 6: Final answer
    x = 99,169.84

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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.