Home / 58,849.43-81,229.79-38,721.83

Finding the Fourth Proportional to 58,849.43, 81,229.79 and 38,721.83

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Solution

The fourth proportional to 58,849.43, 81,229.79 and 38,721.83 is: 53,447.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,849.43 : 81,229.79 = 38,721.83 : x
  2. Step 2: Convert to fraction form
    58,849.43/81,229.79 = 38,721.83/x
  3. Step 3: Cross multiply
    58,849.43x = 81,229.79 × 38,721.83
  4. Step 4: Simplify right side
    58,849.43x = 3,145,365,809.97
  5. Step 5: Solve for x
    x = 3,145,365,809.97/58,849.43
  6. Step 6: Final answer
    x = 53,447.69

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1.5x scale

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.