Home / 113,125.76-169,680-38,252.16

Finding the Fourth Proportional to 113,125.76, 169,680 and 38,252.16

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Solution

The fourth proportional to 113,125.76, 169,680 and 38,252.16 is: 57,375.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,125.76 : 169,680 = 38,252.16 : x
  2. Step 2: Convert to fraction form
    113,125.76/169,680 = 38,252.16/x
  3. Step 3: Cross multiply
    113,125.76x = 169,680 × 38,252.16
  4. Step 4: Simplify right side
    113,125.76x = 6,490,626,508.80
  5. Step 5: Solve for x
    x = 6,490,626,508.80/113,125.76
  6. Step 6: Final answer
    x = 57,375.32

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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.