Home / 57,236.40-85,854.60-49,363.20

Finding the Fourth Proportional to 57,236.40, 85,854.60 and 49,363.20

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Solution

The fourth proportional to 57,236.40, 85,854.60 and 49,363.20 is: 74,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,236.40 : 85,854.60 = 49,363.20 : x
  2. Step 2: Convert to fraction form
    57,236.40/85,854.60 = 49,363.20/x
  3. Step 3: Cross multiply
    57,236.40x = 85,854.60 × 49,363.20
  4. Step 4: Simplify right side
    57,236.40x = 4,238,057,790.72
  5. Step 5: Solve for x
    x = 4,238,057,790.72/57,236.40
  6. Step 6: Final answer
    x = 74,044.80

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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.