Home / 109,279.20-163,717.20-62,392.80

Finding the Fourth Proportional to 109,279.20, 163,717.20 and 62,392.80

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Solution

The fourth proportional to 109,279.20, 163,717.20 and 62,392.80 is: 93,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,279.20 : 163,717.20 = 62,392.80 : x
  2. Step 2: Convert to fraction form
    109,279.20/163,717.20 = 62,392.80/x
  3. Step 3: Cross multiply
    109,279.20x = 163,717.20 × 62,392.80
  4. Step 4: Simplify right side
    109,279.20x = 10,214,774,516.16
  5. Step 5: Solve for x
    x = 10,214,774,516.16/109,279.20
  6. Step 6: Final answer
    x = 93,474.10

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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.