Home / 83,980.34-125,988.27-27,817.26

Finding the Fourth Proportional to 83,980.34, 125,988.27 and 27,817.26

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Solution

The fourth proportional to 83,980.34, 125,988.27 and 27,817.26 is: 41,731.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,980.34 : 125,988.27 = 27,817.26 : x
  2. Step 2: Convert to fraction form
    83,980.34/125,988.27 = 27,817.26/x
  3. Step 3: Cross multiply
    83,980.34x = 125,988.27 × 27,817.26
  4. Step 4: Simplify right side
    83,980.34x = 3,504,648,463.54
  5. Step 5: Solve for x
    x = 3,504,648,463.54/83,980.34
  6. Step 6: Final answer
    x = 41,731.77

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1.5x scale

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.