Home / 57,613.17-86,419.78-18,173.36

Finding the Fourth Proportional to 57,613.17, 86,419.78 and 18,173.36

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Solution

The fourth proportional to 57,613.17, 86,419.78 and 18,173.36 is: 27,260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,613.17 : 86,419.78 = 18,173.36 : x
  2. Step 2: Convert to fraction form
    57,613.17/86,419.78 = 18,173.36/x
  3. Step 3: Cross multiply
    57,613.17x = 86,419.78 × 18,173.36
  4. Step 4: Simplify right side
    57,613.17x = 1,570,537,943.68
  5. Step 5: Solve for x
    x = 1,570,537,943.68/57,613.17
  6. Step 6: Final answer
    x = 27,260.05

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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.