Home / 57,700.35-86,549.92-18,257.81

Finding the Fourth Proportional to 57,700.35, 86,549.92 and 18,257.81

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Solution

The fourth proportional to 57,700.35, 86,549.92 and 18,257.81 is: 27,386.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,700.35 : 86,549.92 = 18,257.81 : x
  2. Step 2: Convert to fraction form
    57,700.35/86,549.92 = 18,257.81/x
  3. Step 3: Cross multiply
    57,700.35x = 86,549.92 × 18,257.81
  4. Step 4: Simplify right side
    57,700.35x = 1,580,211,516.48
  5. Step 5: Solve for x
    x = 1,580,211,516.48/57,700.35
  6. Step 6: Final answer
    x = 27,386.52

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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.