Home / 83,979.27-125,977.71-39,594.11

Finding the Fourth Proportional to 83,979.27, 125,977.71 and 39,594.11

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Solution

The fourth proportional to 83,979.27, 125,977.71 and 39,594.11 is: 59,395.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,979.27 : 125,977.71 = 39,594.11 : x
  2. Step 2: Convert to fraction form
    83,979.27/125,977.71 = 39,594.11/x
  3. Step 3: Cross multiply
    83,979.27x = 125,977.71 × 39,594.11
  4. Step 4: Simplify right side
    83,979.27x = 4,987,974,677.40
  5. Step 5: Solve for x
    x = 4,987,974,677.40/83,979.27
  6. Step 6: Final answer
    x = 59,395.31

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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.