Home / 105,374.06-158,061.08-38,789.62

Finding the Fourth Proportional to 105,374.06, 158,061.08 and 38,789.62

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Solution

The fourth proportional to 105,374.06, 158,061.08 and 38,789.62 is: 58,184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,374.06 : 158,061.08 = 38,789.62 : x
  2. Step 2: Convert to fraction form
    105,374.06/158,061.08 = 38,789.62/x
  3. Step 3: Cross multiply
    105,374.06x = 158,061.08 × 38,789.62
  4. Step 4: Simplify right side
    105,374.06x = 6,131,129,229.99
  5. Step 5: Solve for x
    x = 6,131,129,229.99/105,374.06
  6. Step 6: Final answer
    x = 58,184.43

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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.