Home / 57,306.18-85,958.88-31,177.00

Finding the Fourth Proportional to 57,306.18, 85,958.88 and 31,177.00

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Solution

The fourth proportional to 57,306.18, 85,958.88 and 31,177.00 is: 46,765.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,306.18 : 85,958.88 = 31,177.00 : x
  2. Step 2: Convert to fraction form
    57,306.18/85,958.88 = 31,177.00/x
  3. Step 3: Cross multiply
    57,306.18x = 85,958.88 × 31,177.00
  4. Step 4: Simplify right side
    57,306.18x = 2,679,939,903.78
  5. Step 5: Solve for x
    x = 2,679,939,903.78/57,306.18
  6. Step 6: Final answer
    x = 46,765.29

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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.