Home / 48,700.15-73,042.91-15,415.90

Finding the Fourth Proportional to 48,700.15, 73,042.91 and 15,415.90

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Solution

The fourth proportional to 48,700.15, 73,042.91 and 15,415.90 is: 23,121.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,700.15 : 73,042.91 = 15,415.90 : x
  2. Step 2: Convert to fraction form
    48,700.15/73,042.91 = 15,415.90/x
  3. Step 3: Cross multiply
    48,700.15x = 73,042.91 × 15,415.90
  4. Step 4: Simplify right side
    48,700.15x = 1,126,022,196.27
  5. Step 5: Solve for x
    x = 1,126,022,196.27/48,700.15
  6. Step 6: Final answer
    x = 23,121.53

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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.