Home / 83,316.30-124,987.41-27,143.33

Finding the Fourth Proportional to 83,316.30, 124,987.41 and 27,143.33

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Solution

The fourth proportional to 83,316.30, 124,987.41 and 27,143.33 is: 40,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,316.30 : 124,987.41 = 27,143.33 : x
  2. Step 2: Convert to fraction form
    83,316.30/124,987.41 = 27,143.33/x
  3. Step 3: Cross multiply
    83,316.30x = 124,987.41 × 27,143.33
  4. Step 4: Simplify right side
    83,316.30x = 3,392,574,814.33
  5. Step 5: Solve for x
    x = 3,392,574,814.33/83,316.30
  6. Step 6: Final answer
    x = 40,719.22

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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.