Home / 85,983.26-129,045.96-43,894.44

Finding the Fourth Proportional to 85,983.26, 129,045.96 and 43,894.44

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Solution

The fourth proportional to 85,983.26, 129,045.96 and 43,894.44 is: 65,877.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,983.26 : 129,045.96 = 43,894.44 : x
  2. Step 2: Convert to fraction form
    85,983.26/129,045.96 = 43,894.44/x
  3. Step 3: Cross multiply
    85,983.26x = 129,045.96 × 43,894.44
  4. Step 4: Simplify right side
    85,983.26x = 5,664,400,148.46
  5. Step 5: Solve for x
    x = 5,664,400,148.46/85,983.26
  6. Step 6: Final answer
    x = 65,877.95

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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.