Home / 85,048.68-117,372.01-48,756.13

Finding the Fourth Proportional to 85,048.68, 117,372.01 and 48,756.13

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Solution

The fourth proportional to 85,048.68, 117,372.01 and 48,756.13 is: 67,286.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,048.68 : 117,372.01 = 48,756.13 : x
  2. Step 2: Convert to fraction form
    85,048.68/117,372.01 = 48,756.13/x
  3. Step 3: Cross multiply
    85,048.68x = 117,372.01 × 48,756.13
  4. Step 4: Simplify right side
    85,048.68x = 5,722,604,791.15
  5. Step 5: Solve for x
    x = 5,722,604,791.15/85,048.68
  6. Step 6: Final answer
    x = 67,286.22

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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.