Home / 75,862.26-104,642.61-54,607.86

Finding the Fourth Proportional to 75,862.26, 104,642.61 and 54,607.86

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Solution

The fourth proportional to 75,862.26, 104,642.61 and 54,607.86 is: 75,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,862.26 : 104,642.61 = 54,607.86 : x
  2. Step 2: Convert to fraction form
    75,862.26/104,642.61 = 54,607.86/x
  3. Step 3: Cross multiply
    75,862.26x = 104,642.61 × 54,607.86
  4. Step 4: Simplify right side
    75,862.26x = 5,714,308,996.91
  5. Step 5: Solve for x
    x = 5,714,308,996.91/75,862.26
  6. Step 6: Final answer
    x = 75,324.79

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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.