Home / 75,846.20-113,862.90-47,766.20

Finding the Fourth Proportional to 75,846.20, 113,862.90 and 47,766.20

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Solution

The fourth proportional to 75,846.20, 113,862.90 and 47,766.20 is: 71,708.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,846.20 : 113,862.90 = 47,766.20 : x
  2. Step 2: Convert to fraction form
    75,846.20/113,862.90 = 47,766.20/x
  3. Step 3: Cross multiply
    75,846.20x = 113,862.90 × 47,766.20
  4. Step 4: Simplify right side
    75,846.20x = 5,438,798,053.98
  5. Step 5: Solve for x
    x = 5,438,798,053.98/75,846.20
  6. Step 6: Final answer
    x = 71,708.25

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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.