Home / 57,712.72-86,569.80-22,176.40

Finding the Fourth Proportional to 57,712.72, 86,569.80 and 22,176.40

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Solution

The fourth proportional to 57,712.72, 86,569.80 and 22,176.40 is: 33,264.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,712.72 : 86,569.80 = 22,176.40 : x
  2. Step 2: Convert to fraction form
    57,712.72/86,569.80 = 22,176.40/x
  3. Step 3: Cross multiply
    57,712.72x = 86,569.80 × 22,176.40
  4. Step 4: Simplify right side
    57,712.72x = 1,919,806,512.72
  5. Step 5: Solve for x
    x = 1,919,806,512.72/57,712.72
  6. Step 6: Final answer
    x = 33,264.88

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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.