Home / 58,471.58-80,691.38-31,614.61

Finding the Fourth Proportional to 58,471.58, 80,691.38 and 31,614.61

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Solution

The fourth proportional to 58,471.58, 80,691.38 and 31,614.61 is: 43,628.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,471.58 : 80,691.38 = 31,614.61 : x
  2. Step 2: Convert to fraction form
    58,471.58/80,691.38 = 31,614.61/x
  3. Step 3: Cross multiply
    58,471.58x = 80,691.38 × 31,614.61
  4. Step 4: Simplify right side
    58,471.58x = 2,551,026,509.06
  5. Step 5: Solve for x
    x = 2,551,026,509.06/58,471.58
  6. Step 6: Final answer
    x = 43,628.49

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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.