Home / 105,948.45-158,926.19-38,446.29

Finding the Fourth Proportional to 105,948.45, 158,926.19 and 38,446.29

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Solution

The fourth proportional to 105,948.45, 158,926.19 and 38,446.29 is: 57,670.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,948.45 : 158,926.19 = 38,446.29 : x
  2. Step 2: Convert to fraction form
    105,948.45/158,926.19 = 38,446.29/x
  3. Step 3: Cross multiply
    105,948.45x = 158,926.19 × 38,446.29
  4. Step 4: Simplify right side
    105,948.45x = 6,110,122,197.10
  5. Step 5: Solve for x
    x = 6,110,122,197.10/105,948.45
  6. Step 6: Final answer
    x = 57,670.71

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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.