Home / 52,723.31-72,763.11-31,502.12

Finding the Fourth Proportional to 52,723.31, 72,763.11 and 31,502.12

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Solution

The fourth proportional to 52,723.31, 72,763.11 and 31,502.12 is: 43,475.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,723.31 : 72,763.11 = 31,502.12 : x
  2. Step 2: Convert to fraction form
    52,723.31/72,763.11 = 31,502.12/x
  3. Step 3: Cross multiply
    52,723.31x = 72,763.11 × 31,502.12
  4. Step 4: Simplify right side
    52,723.31x = 2,292,191,858.98
  5. Step 5: Solve for x
    x = 2,292,191,858.98/52,723.31
  6. Step 6: Final answer
    x = 43,475.88

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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.