Home / 60,836.20-91,448.70-43,426.60

Finding the Fourth Proportional to 60,836.20, 91,448.70 and 43,426.60

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Solution

The fourth proportional to 60,836.20, 91,448.70 and 43,426.60 is: 65,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,836.20 : 91,448.70 = 43,426.60 : x
  2. Step 2: Convert to fraction form
    60,836.20/91,448.70 = 43,426.60/x
  3. Step 3: Cross multiply
    60,836.20x = 91,448.70 × 43,426.60
  4. Step 4: Simplify right side
    60,836.20x = 3,971,306,115.42
  5. Step 5: Solve for x
    x = 3,971,306,115.42/60,836.20
  6. Step 6: Final answer
    x = 65,278.67

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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.