Home / 55,233.24-76,223.88-31,359.30

Finding the Fourth Proportional to 55,233.24, 76,223.88 and 31,359.30

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Solution

The fourth proportional to 55,233.24, 76,223.88 and 31,359.30 is: 43,276.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,233.24 : 76,223.88 = 31,359.30 : x
  2. Step 2: Convert to fraction form
    55,233.24/76,223.88 = 31,359.30/x
  3. Step 3: Cross multiply
    55,233.24x = 76,223.88 × 31,359.30
  4. Step 4: Simplify right side
    55,233.24x = 2,390,327,520.08
  5. Step 5: Solve for x
    x = 2,390,327,520.08/55,233.24
  6. Step 6: Final answer
    x = 43,276.97

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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.