Home / 112,738.62-169,112.03-37,861.20

Finding the Fourth Proportional to 112,738.62, 169,112.03 and 37,861.20

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Solution

The fourth proportional to 112,738.62, 169,112.03 and 37,861.20 is: 56,793.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,738.62 : 169,112.03 = 37,861.20 : x
  2. Step 2: Convert to fraction form
    112,738.62/169,112.03 = 37,861.20/x
  3. Step 3: Cross multiply
    112,738.62x = 169,112.03 × 37,861.20
  4. Step 4: Simplify right side
    112,738.62x = 6,402,784,200.93
  5. Step 5: Solve for x
    x = 6,402,784,200.93/112,738.62
  6. Step 6: Final answer
    x = 56,793.18

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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.