Home / 48,758.10-73,139.85-13,695

Finding the Fourth Proportional to 48,758.10, 73,139.85 and 13,695

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Solution

The fourth proportional to 48,758.10, 73,139.85 and 13,695 is: 20,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,758.10 : 73,139.85 = 13,695 : x
  2. Step 2: Convert to fraction form
    48,758.10/73,139.85 = 13,695/x
  3. Step 3: Cross multiply
    48,758.10x = 73,139.85 × 13,695
  4. Step 4: Simplify right side
    48,758.10x = 1,001,650,245.75
  5. Step 5: Solve for x
    x = 1,001,650,245.75/48,758.10
  6. Step 6: Final answer
    x = 20,543.26

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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.