Home / 56,827.38-85,274.30-31,548.18

Finding the Fourth Proportional to 56,827.38, 85,274.30 and 31,548.18

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Solution

The fourth proportional to 56,827.38, 85,274.30 and 31,548.18 is: 47,340.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,827.38 : 85,274.30 = 31,548.18 : x
  2. Step 2: Convert to fraction form
    56,827.38/85,274.30 = 31,548.18/x
  3. Step 3: Cross multiply
    56,827.38x = 85,274.30 × 31,548.18
  4. Step 4: Simplify right side
    56,827.38x = 2,690,248,606.56
  5. Step 5: Solve for x
    x = 2,690,248,606.56/56,827.38
  6. Step 6: Final answer
    x = 47,340.71

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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.