Home / 83,177.51-124,729.20-23,999.11

Finding the Fourth Proportional to 83,177.51, 124,729.20 and 23,999.11

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Solution

The fourth proportional to 83,177.51, 124,729.20 and 23,999.11 is: 35,987.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,177.51 : 124,729.20 = 23,999.11 : x
  2. Step 2: Convert to fraction form
    83,177.51/124,729.20 = 23,999.11/x
  3. Step 3: Cross multiply
    83,177.51x = 124,729.20 × 23,999.11
  4. Step 4: Simplify right side
    83,177.51x = 2,993,389,479.19
  5. Step 5: Solve for x
    x = 2,993,389,479.19/83,177.51
  6. Step 6: Final answer
    x = 35,987.97

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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.