Home / 112,670.32-169,063.76-49,534.78

Finding the Fourth Proportional to 112,670.32, 169,063.76 and 49,534.78

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Solution

The fourth proportional to 112,670.32, 169,063.76 and 49,534.78 is: 74,327.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,670.32 : 169,063.76 = 49,534.78 : x
  2. Step 2: Convert to fraction form
    112,670.32/169,063.76 = 49,534.78/x
  3. Step 3: Cross multiply
    112,670.32x = 169,063.76 × 49,534.78
  4. Step 4: Simplify right side
    112,670.32x = 8,374,535,909.90
  5. Step 5: Solve for x
    x = 8,374,535,909.90/112,670.32
  6. Step 6: Final answer
    x = 74,327.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.