Home / 58,821.20-88,280.40-27,279.80

Finding the Fourth Proportional to 58,821.20, 88,280.40 and 27,279.80

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Solution

The fourth proportional to 58,821.20, 88,280.40 and 27,279.80 is: 40,942.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,821.20 : 88,280.40 = 27,279.80 : x
  2. Step 2: Convert to fraction form
    58,821.20/88,280.40 = 27,279.80/x
  3. Step 3: Cross multiply
    58,821.20x = 88,280.40 × 27,279.80
  4. Step 4: Simplify right side
    58,821.20x = 2,408,271,655.92
  5. Step 5: Solve for x
    x = 2,408,271,655.92/58,821.20
  6. Step 6: Final answer
    x = 40,942.24

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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.