Home / 86,206.48-129,309.62-27,046.71

Finding the Fourth Proportional to 86,206.48, 129,309.62 and 27,046.71

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Solution

The fourth proportional to 86,206.48, 129,309.62 and 27,046.71 is: 40,570.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,206.48 : 129,309.62 = 27,046.71 : x
  2. Step 2: Convert to fraction form
    86,206.48/129,309.62 = 27,046.71/x
  3. Step 3: Cross multiply
    86,206.48x = 129,309.62 × 27,046.71
  4. Step 4: Simplify right side
    86,206.48x = 3,497,399,657.12
  5. Step 5: Solve for x
    x = 3,497,399,657.12/86,206.48
  6. Step 6: Final answer
    x = 40,570.03

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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.