Home / 48,948.20-73,422.30-43,407.80

Finding the Fourth Proportional to 48,948.20, 73,422.30 and 43,407.80

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Solution

The fourth proportional to 48,948.20, 73,422.30 and 43,407.80 is: 65,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,948.20 : 73,422.30 = 43,407.80 : x
  2. Step 2: Convert to fraction form
    48,948.20/73,422.30 = 43,407.80/x
  3. Step 3: Cross multiply
    48,948.20x = 73,422.30 × 43,407.80
  4. Step 4: Simplify right side
    48,948.20x = 3,187,100,513.94
  5. Step 5: Solve for x
    x = 3,187,100,513.94/48,948.20
  6. Step 6: Final answer
    x = 65,111.70

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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.