Home / 84,506.45-126,577.43-79,538.02

Finding the Fourth Proportional to 84,506.45, 126,577.43 and 79,538.02

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Solution

The fourth proportional to 84,506.45, 126,577.43 and 79,538.02 is: 119,135.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,506.45 : 126,577.43 = 79,538.02 : x
  2. Step 2: Convert to fraction form
    84,506.45/126,577.43 = 79,538.02/x
  3. Step 3: Cross multiply
    84,506.45x = 126,577.43 × 79,538.02
  4. Step 4: Simplify right side
    84,506.45x = 10,067,717,761.20
  5. Step 5: Solve for x
    x = 10,067,717,761.20/84,506.45
  6. Step 6: Final answer
    x = 119,135.50

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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.