Home / 57,348-78,999.12-48,822.72

Finding the Fourth Proportional to 57,348, 78,999.12 and 48,822.72

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Solution

The fourth proportional to 57,348, 78,999.12 and 48,822.72 is: 67,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,348 : 78,999.12 = 48,822.72 : x
  2. Step 2: Convert to fraction form
    57,348/78,999.12 = 48,822.72/x
  3. Step 3: Cross multiply
    57,348x = 78,999.12 × 48,822.72
  4. Step 4: Simplify right side
    57,348x = 3,856,951,916.01
  5. Step 5: Solve for x
    x = 3,856,951,916.01/57,348
  6. Step 6: Final answer
    x = 67,255.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.