Home / 85,561.68-118,073.16-47,839.44

Finding the Fourth Proportional to 85,561.68, 118,073.16 and 47,839.44

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Solution

The fourth proportional to 85,561.68, 118,073.16 and 47,839.44 is: 66,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,561.68 : 118,073.16 = 47,839.44 : x
  2. Step 2: Convert to fraction form
    85,561.68/118,073.16 = 47,839.44/x
  3. Step 3: Cross multiply
    85,561.68x = 118,073.16 × 47,839.44
  4. Step 4: Simplify right side
    85,561.68x = 5,648,553,853.43
  5. Step 5: Solve for x
    x = 5,648,553,853.43/85,561.68
  6. Step 6: Final answer
    x = 66,017.33

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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.