Home / 58,821.29-81,173.91-31,963.80

Finding the Fourth Proportional to 58,821.29, 81,173.91 and 31,963.80

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Solution

The fourth proportional to 58,821.29, 81,173.91 and 31,963.80 is: 44,110.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,821.29 : 81,173.91 = 31,963.80 : x
  2. Step 2: Convert to fraction form
    58,821.29/81,173.91 = 31,963.80/x
  3. Step 3: Cross multiply
    58,821.29x = 81,173.91 × 31,963.80
  4. Step 4: Simplify right side
    58,821.29x = 2,594,626,624.46
  5. Step 5: Solve for x
    x = 2,594,626,624.46/58,821.29
  6. Step 6: Final answer
    x = 44,110.33

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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.