Home / 57,073.52-78,763.16-31,233.64

Finding the Fourth Proportional to 57,073.52, 78,763.16 and 31,233.64

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Solution

The fourth proportional to 57,073.52, 78,763.16 and 31,233.64 is: 43,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,073.52 : 78,763.16 = 31,233.64 : x
  2. Step 2: Convert to fraction form
    57,073.52/78,763.16 = 31,233.64/x
  3. Step 3: Cross multiply
    57,073.52x = 78,763.16 × 31,233.64
  4. Step 4: Simplify right side
    57,073.52x = 2,460,060,184.70
  5. Step 5: Solve for x
    x = 2,460,060,184.70/57,073.52
  6. Step 6: Final answer
    x = 43,103.35

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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.