Home / 57,520.36-86,295.12-31,218.04

Finding the Fourth Proportional to 57,520.36, 86,295.12 and 31,218.04

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Solution

The fourth proportional to 57,520.36, 86,295.12 and 31,218.04 is: 46,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,520.36 : 86,295.12 = 31,218.04 : x
  2. Step 2: Convert to fraction form
    57,520.36/86,295.12 = 31,218.04/x
  3. Step 3: Cross multiply
    57,520.36x = 86,295.12 × 31,218.04
  4. Step 4: Simplify right side
    57,520.36x = 2,693,964,507.96
  5. Step 5: Solve for x
    x = 2,693,964,507.96/57,520.36
  6. Step 6: Final answer
    x = 46,834.97

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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.