Home / 69,758.78-96,282.40-45,887.80

Finding the Fourth Proportional to 69,758.78, 96,282.40 and 45,887.80

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Solution

The fourth proportional to 69,758.78, 96,282.40 and 45,887.80 is: 63,335.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,758.78 : 96,282.40 = 45,887.80 : x
  2. Step 2: Convert to fraction form
    69,758.78/96,282.40 = 45,887.80/x
  3. Step 3: Cross multiply
    69,758.78x = 96,282.40 × 45,887.80
  4. Step 4: Simplify right side
    69,758.78x = 4,418,187,514.72
  5. Step 5: Solve for x
    x = 4,418,187,514.72/69,758.78
  6. Step 6: Final answer
    x = 63,335.22

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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.