Home / 83,282.40-124,923.60-27,122.40

Finding the Fourth Proportional to 83,282.40, 124,923.60 and 27,122.40

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Solution

The fourth proportional to 83,282.40, 124,923.60 and 27,122.40 is: 40,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,282.40 : 124,923.60 = 27,122.40 : x
  2. Step 2: Convert to fraction form
    83,282.40/124,923.60 = 27,122.40/x
  3. Step 3: Cross multiply
    83,282.40x = 124,923.60 × 27,122.40
  4. Step 4: Simplify right side
    83,282.40x = 3,388,227,848.64
  5. Step 5: Solve for x
    x = 3,388,227,848.64/83,282.40
  6. Step 6: Final answer
    x = 40,683.60

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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.