Home / 48,712.20-67,199.76-31,710.24

Finding the Fourth Proportional to 48,712.20, 67,199.76 and 31,710.24

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Solution

The fourth proportional to 48,712.20, 67,199.76 and 31,710.24 is: 43,745.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,712.20 : 67,199.76 = 31,710.24 : x
  2. Step 2: Convert to fraction form
    48,712.20/67,199.76 = 31,710.24/x
  3. Step 3: Cross multiply
    48,712.20x = 67,199.76 × 31,710.24
  4. Step 4: Simplify right side
    48,712.20x = 2,130,920,517.54
  5. Step 5: Solve for x
    x = 2,130,920,517.54/48,712.20
  6. Step 6: Final answer
    x = 43,745.11

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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.