Home / 105,681.06-158,531.38-38,229.96

Finding the Fourth Proportional to 105,681.06, 158,531.38 and 38,229.96

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Solution

The fourth proportional to 105,681.06, 158,531.38 and 38,229.96 is: 57,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,681.06 : 158,531.38 = 38,229.96 : x
  2. Step 2: Convert to fraction form
    105,681.06/158,531.38 = 38,229.96/x
  3. Step 3: Cross multiply
    105,681.06x = 158,531.38 × 38,229.96
  4. Step 4: Simplify right side
    105,681.06x = 6,060,648,316.14
  5. Step 5: Solve for x
    x = 6,060,648,316.14/105,681.06
  6. Step 6: Final answer
    x = 57,348.48

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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.