Home / 57,565.22-86,372.87-20,152.13

Finding the Fourth Proportional to 57,565.22, 86,372.87 and 20,152.13

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Solution

The fourth proportional to 57,565.22, 86,372.87 and 20,152.13 is: 30,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,565.22 : 86,372.87 = 20,152.13 : x
  2. Step 2: Convert to fraction form
    57,565.22/86,372.87 = 20,152.13/x
  3. Step 3: Cross multiply
    57,565.22x = 86,372.87 × 20,152.13
  4. Step 4: Simplify right side
    57,565.22x = 1,740,596,772.09
  5. Step 5: Solve for x
    x = 1,740,596,772.09/57,565.22
  6. Step 6: Final answer
    x = 30,236.95

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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.