Home / 105,809.38-158,726.12-38,373.19

Finding the Fourth Proportional to 105,809.38, 158,726.12 and 38,373.19

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Solution

The fourth proportional to 105,809.38, 158,726.12 and 38,373.19 is: 57,564.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,809.38 : 158,726.12 = 38,373.19 : x
  2. Step 2: Convert to fraction form
    105,809.38/158,726.12 = 38,373.19/x
  3. Step 3: Cross multiply
    105,809.38x = 158,726.12 × 38,373.19
  4. Step 4: Simplify right side
    105,809.38x = 6,090,827,560.72
  5. Step 5: Solve for x
    x = 6,090,827,560.72/105,809.38
  6. Step 6: Final answer
    x = 57,564.16

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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.