Home / 57,963.12-79,852.55-54,475.54

Finding the Fourth Proportional to 57,963.12, 79,852.55 and 54,475.54

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Solution

The fourth proportional to 57,963.12, 79,852.55 and 54,475.54 is: 75,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,963.12 : 79,852.55 = 54,475.54 : x
  2. Step 2: Convert to fraction form
    57,963.12/79,852.55 = 54,475.54/x
  3. Step 3: Cross multiply
    57,963.12x = 79,852.55 × 54,475.54
  4. Step 4: Simplify right side
    57,963.12x = 4,350,010,377.71
  5. Step 5: Solve for x
    x = 4,350,010,377.71/57,963.12
  6. Step 6: Final answer
    x = 75,047.90

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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.