Home / 83,335.60-124,977.45-27,918.64

Finding the Fourth Proportional to 83,335.60, 124,977.45 and 27,918.64

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Solution

The fourth proportional to 83,335.60, 124,977.45 and 27,918.64 is: 41,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,335.60 : 124,977.45 = 27,918.64 : x
  2. Step 2: Convert to fraction form
    83,335.60/124,977.45 = 27,918.64/x
  3. Step 3: Cross multiply
    83,335.60x = 124,977.45 × 27,918.64
  4. Step 4: Simplify right side
    83,335.60x = 3,489,200,434.67
  5. Step 5: Solve for x
    x = 3,489,200,434.67/83,335.60
  6. Step 6: Final answer
    x = 41,869.27

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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.