Home / 57,851.13-86,785.94-17,860.71

Finding the Fourth Proportional to 57,851.13, 86,785.94 and 17,860.71

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Solution

The fourth proportional to 57,851.13, 86,785.94 and 17,860.71 is: 26,793.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,851.13 : 86,785.94 = 17,860.71 : x
  2. Step 2: Convert to fraction form
    57,851.13/86,785.94 = 17,860.71/x
  3. Step 3: Cross multiply
    57,851.13x = 86,785.94 × 17,860.71
  4. Step 4: Simplify right side
    57,851.13x = 1,550,058,417.11
  5. Step 5: Solve for x
    x = 1,550,058,417.11/57,851.13
  6. Step 6: Final answer
    x = 26,793.92

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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.