Home / 115,685.56-159,663.20-73,248.04

Finding the Fourth Proportional to 115,685.56, 159,663.20 and 73,248.04

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Solution

The fourth proportional to 115,685.56, 159,663.20 and 73,248.04 is: 101,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,685.56 : 159,663.20 = 73,248.04 : x
  2. Step 2: Convert to fraction form
    115,685.56/159,663.20 = 73,248.04/x
  3. Step 3: Cross multiply
    115,685.56x = 159,663.20 × 73,248.04
  4. Step 4: Simplify right side
    115,685.56x = 11,695,016,460.13
  5. Step 5: Solve for x
    x = 11,695,016,460.13/115,685.56
  6. Step 6: Final answer
    x = 101,093.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.