Home / 75,724.20-113,489.10-46,110.60

Finding the Fourth Proportional to 75,724.20, 113,489.10 and 46,110.60

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Solution

The fourth proportional to 75,724.20, 113,489.10 and 46,110.60 is: 69,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,724.20 : 113,489.10 = 46,110.60 : x
  2. Step 2: Convert to fraction form
    75,724.20/113,489.10 = 46,110.60/x
  3. Step 3: Cross multiply
    75,724.20x = 113,489.10 × 46,110.60
  4. Step 4: Simplify right side
    75,724.20x = 5,233,050,494.46
  5. Step 5: Solve for x
    x = 5,233,050,494.46/75,724.20
  6. Step 6: Final answer
    x = 69,106.71

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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.