Home / 75,992.41-113,955.11-40,445.15

Finding the Fourth Proportional to 75,992.41, 113,955.11 and 40,445.15

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Solution

The fourth proportional to 75,992.41, 113,955.11 and 40,445.15 is: 60,649.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,992.41 : 113,955.11 = 40,445.15 : x
  2. Step 2: Convert to fraction form
    75,992.41/113,955.11 = 40,445.15/x
  3. Step 3: Cross multiply
    75,992.41x = 113,955.11 × 40,445.15
  4. Step 4: Simplify right side
    75,992.41x = 4,608,931,517.22
  5. Step 5: Solve for x
    x = 4,608,931,517.22/75,992.41
  6. Step 6: Final answer
    x = 60,649.89

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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.