Home / 75,615.70-113,423.55-49,350.10

Finding the Fourth Proportional to 75,615.70, 113,423.55 and 49,350.10

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Solution

The fourth proportional to 75,615.70, 113,423.55 and 49,350.10 is: 74,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,615.70 : 113,423.55 = 49,350.10 : x
  2. Step 2: Convert to fraction form
    75,615.70/113,423.55 = 49,350.10/x
  3. Step 3: Cross multiply
    75,615.70x = 113,423.55 × 49,350.10
  4. Step 4: Simplify right side
    75,615.70x = 5,597,463,534.86
  5. Step 5: Solve for x
    x = 5,597,463,534.86/75,615.70
  6. Step 6: Final answer
    x = 74,025.15

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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.