Home / 83,266.40-124,899.60-27,111.80

Finding the Fourth Proportional to 83,266.40, 124,899.60 and 27,111.80

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Solution

The fourth proportional to 83,266.40, 124,899.60 and 27,111.80 is: 40,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,266.40 : 124,899.60 = 27,111.80 : x
  2. Step 2: Convert to fraction form
    83,266.40/124,899.60 = 27,111.80/x
  3. Step 3: Cross multiply
    83,266.40x = 124,899.60 × 27,111.80
  4. Step 4: Simplify right side
    83,266.40x = 3,386,252,975.28
  5. Step 5: Solve for x
    x = 3,386,252,975.28/83,266.40
  6. Step 6: Final answer
    x = 40,667.70

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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.