Home / 105,436.18-158,052.67-38,839.91

Finding the Fourth Proportional to 105,436.18, 158,052.67 and 38,839.91

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Solution

The fourth proportional to 105,436.18, 158,052.67 and 38,839.91 is: 58,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,436.18 : 158,052.67 = 38,839.91 : x
  2. Step 2: Convert to fraction form
    105,436.18/158,052.67 = 38,839.91/x
  3. Step 3: Cross multiply
    105,436.18x = 158,052.67 × 38,839.91
  4. Step 4: Simplify right side
    105,436.18x = 6,138,750,590.70
  5. Step 5: Solve for x
    x = 6,138,750,590.70/105,436.18
  6. Step 6: Final answer
    x = 58,222.43

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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.