Home / 75,834.80-113,752.20-52,215.20

Finding the Fourth Proportional to 75,834.80, 113,752.20 and 52,215.20

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Solution

The fourth proportional to 75,834.80, 113,752.20 and 52,215.20 is: 78,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,834.80 : 113,752.20 = 52,215.20 : x
  2. Step 2: Convert to fraction form
    75,834.80/113,752.20 = 52,215.20/x
  3. Step 3: Cross multiply
    75,834.80x = 113,752.20 × 52,215.20
  4. Step 4: Simplify right side
    75,834.80x = 5,939,593,873.44
  5. Step 5: Solve for x
    x = 5,939,593,873.44/75,834.80
  6. Step 6: Final answer
    x = 78,322.80

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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.