Home / 105,229.68-157,883.40-38,713.29

Finding the Fourth Proportional to 105,229.68, 157,883.40 and 38,713.29

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Solution

The fourth proportional to 105,229.68, 157,883.40 and 38,713.29 is: 58,084.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,229.68 : 157,883.40 = 38,713.29 : x
  2. Step 2: Convert to fraction form
    105,229.68/157,883.40 = 38,713.29/x
  3. Step 3: Cross multiply
    105,229.68x = 157,883.40 × 38,713.29
  4. Step 4: Simplify right side
    105,229.68x = 6,112,185,850.39
  5. Step 5: Solve for x
    x = 6,112,185,850.39/105,229.68
  6. Step 6: Final answer
    x = 58,084.24

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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.