Home / 69,855.19-96,385.57-45,691.56

Finding the Fourth Proportional to 69,855.19, 96,385.57 and 45,691.56

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Solution

The fourth proportional to 69,855.19, 96,385.57 and 45,691.56 is: 63,044.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,855.19 : 96,385.57 = 45,691.56 : x
  2. Step 2: Convert to fraction form
    69,855.19/96,385.57 = 45,691.56/x
  3. Step 3: Cross multiply
    69,855.19x = 96,385.57 × 45,691.56
  4. Step 4: Simplify right side
    69,855.19x = 4,404,006,940.56
  5. Step 5: Solve for x
    x = 4,404,006,940.56/69,855.19
  6. Step 6: Final answer
    x = 63,044.81

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1.5x scale

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.