Home / 79,269.31-118,922.27-26,677.51

Finding the Fourth Proportional to 79,269.31, 118,922.27 and 26,677.51

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Solution

The fourth proportional to 79,269.31, 118,922.27 and 26,677.51 is: 40,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,269.31 : 118,922.27 = 26,677.51 : x
  2. Step 2: Convert to fraction form
    79,269.31/118,922.27 = 26,677.51/x
  3. Step 3: Cross multiply
    79,269.31x = 118,922.27 × 26,677.51
  4. Step 4: Simplify right side
    79,269.31x = 3,172,550,047.15
  5. Step 5: Solve for x
    x = 3,172,550,047.15/79,269.31
  6. Step 6: Final answer
    x = 40,022.43

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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.