Home / 83,398.36-125,097.80-20,218.23

Finding the Fourth Proportional to 83,398.36, 125,097.80 and 20,218.23

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Solution

The fourth proportional to 83,398.36, 125,097.80 and 20,218.23 is: 30,327.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,398.36 : 125,097.80 = 20,218.23 : x
  2. Step 2: Convert to fraction form
    83,398.36/125,097.80 = 20,218.23/x
  3. Step 3: Cross multiply
    83,398.36x = 125,097.80 × 20,218.23
  4. Step 4: Simplify right side
    83,398.36x = 2,529,256,092.89
  5. Step 5: Solve for x
    x = 2,529,256,092.89/83,398.36
  6. Step 6: Final answer
    x = 30,327.41

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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.