Home / 75,515.41-113,272.60-25,630.62

Finding the Fourth Proportional to 75,515.41, 113,272.60 and 25,630.62

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Solution

The fourth proportional to 75,515.41, 113,272.60 and 25,630.62 is: 38,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,515.41 : 113,272.60 = 25,630.62 : x
  2. Step 2: Convert to fraction form
    75,515.41/113,272.60 = 25,630.62/x
  3. Step 3: Cross multiply
    75,515.41x = 113,272.60 × 25,630.62
  4. Step 4: Simplify right side
    75,515.41x = 2,903,246,967.01
  5. Step 5: Solve for x
    x = 2,903,246,967.01/75,515.41
  6. Step 6: Final answer
    x = 38,445.76

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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.