Home / 75,560.60-113,428.20-40,568.60

Finding the Fourth Proportional to 75,560.60, 113,428.20 and 40,568.60

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Solution

The fourth proportional to 75,560.60, 113,428.20 and 40,568.60 is: 60,899.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,560.60 : 113,428.20 = 40,568.60 : x
  2. Step 2: Convert to fraction form
    75,560.60/113,428.20 = 40,568.60/x
  3. Step 3: Cross multiply
    75,560.60x = 113,428.20 × 40,568.60
  4. Step 4: Simplify right side
    75,560.60x = 4,601,623,274.52
  5. Step 5: Solve for x
    x = 4,601,623,274.52/75,560.60
  6. Step 6: Final answer
    x = 60,899.77

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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.