Home / 58,721.74-81,036.22-31,864.25

Finding the Fourth Proportional to 58,721.74, 81,036.22 and 31,864.25

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Solution

The fourth proportional to 58,721.74, 81,036.22 and 31,864.25 is: 43,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,721.74 : 81,036.22 = 31,864.25 : x
  2. Step 2: Convert to fraction form
    58,721.74/81,036.22 = 31,864.25/x
  3. Step 3: Cross multiply
    58,721.74x = 81,036.22 × 31,864.25
  4. Step 4: Simplify right side
    58,721.74x = 2,582,158,353.97
  5. Step 5: Solve for x
    x = 2,582,158,353.97/58,721.74
  6. Step 6: Final answer
    x = 43,972.78

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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.