Home / 57,187.84-85,781.20-22,102.96

Finding the Fourth Proportional to 57,187.84, 85,781.20 and 22,102.96

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Solution

The fourth proportional to 57,187.84, 85,781.20 and 22,102.96 is: 33,154.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,187.84 : 85,781.20 = 22,102.96 : x
  2. Step 2: Convert to fraction form
    57,187.84/85,781.20 = 22,102.96/x
  3. Step 3: Cross multiply
    57,187.84x = 85,781.20 × 22,102.96
  4. Step 4: Simplify right side
    57,187.84x = 1,896,018,432.35
  5. Step 5: Solve for x
    x = 1,896,018,432.35/57,187.84
  6. Step 6: Final answer
    x = 33,154.22

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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.