Home / 86,116.28-129,054.13-41,731.25

Finding the Fourth Proportional to 86,116.28, 129,054.13 and 41,731.25

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Solution

The fourth proportional to 86,116.28, 129,054.13 and 41,731.25 is: 62,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,116.28 : 129,054.13 = 41,731.25 : x
  2. Step 2: Convert to fraction form
    86,116.28/129,054.13 = 41,731.25/x
  3. Step 3: Cross multiply
    86,116.28x = 129,054.13 × 41,731.25
  4. Step 4: Simplify right side
    86,116.28x = 5,385,590,162.56
  5. Step 5: Solve for x
    x = 5,385,590,162.56/86,116.28
  6. Step 6: Final answer
    x = 62,538.58

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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.