Home / 57,706.74-86,560.38-18,264.06

Finding the Fourth Proportional to 57,706.74, 86,560.38 and 18,264.06

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Solution

The fourth proportional to 57,706.74, 86,560.38 and 18,264.06 is: 27,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,706.74 : 86,560.38 = 18,264.06 : x
  2. Step 2: Convert to fraction form
    57,706.74/86,560.38 = 18,264.06/x
  3. Step 3: Cross multiply
    57,706.74x = 86,560.38 × 18,264.06
  4. Step 4: Simplify right side
    57,706.74x = 1,580,943,973.94
  5. Step 5: Solve for x
    x = 1,580,943,973.94/57,706.74
  6. Step 6: Final answer
    x = 27,396.18

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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.