Home / 58,229.98-87,323.48-20,780.04

Finding the Fourth Proportional to 58,229.98, 87,323.48 and 20,780.04

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Solution

The fourth proportional to 58,229.98, 87,323.48 and 20,780.04 is: 31,162.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,229.98 : 87,323.48 = 20,780.04 : x
  2. Step 2: Convert to fraction form
    58,229.98/87,323.48 = 20,780.04/x
  3. Step 3: Cross multiply
    58,229.98x = 87,323.48 × 20,780.04
  4. Step 4: Simplify right side
    58,229.98x = 1,814,585,022.67
  5. Step 5: Solve for x
    x = 1,814,585,022.67/58,229.98
  6. Step 6: Final answer
    x = 31,162.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.