Home / 86,568.17-129,875.29-27,405.05

Finding the Fourth Proportional to 86,568.17, 129,875.29 and 27,405.05

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Solution

The fourth proportional to 86,568.17, 129,875.29 and 27,405.05 is: 41,114.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,568.17 : 129,875.29 = 27,405.05 : x
  2. Step 2: Convert to fraction form
    86,568.17/129,875.29 = 27,405.05/x
  3. Step 3: Cross multiply
    86,568.17x = 129,875.29 × 27,405.05
  4. Step 4: Simplify right side
    86,568.17x = 3,559,238,098.33
  5. Step 5: Solve for x
    x = 3,559,238,098.33/86,568.17
  6. Step 6: Final answer
    x = 41,114.86

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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.