Home / 75,584.40-113,304.60-28,186.80

Finding the Fourth Proportional to 75,584.40, 113,304.60 and 28,186.80

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Solution

The fourth proportional to 75,584.40, 113,304.60 and 28,186.80 is: 42,253.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,584.40 : 113,304.60 = 28,186.80 : x
  2. Step 2: Convert to fraction form
    75,584.40/113,304.60 = 28,186.80/x
  3. Step 3: Cross multiply
    75,584.40x = 113,304.60 × 28,186.80
  4. Step 4: Simplify right side
    75,584.40x = 3,193,694,099.28
  5. Step 5: Solve for x
    x = 3,193,694,099.28/75,584.40
  6. Step 6: Final answer
    x = 42,253.35

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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.