Home / 57,619.40-79,519.99-34,964.12

Finding the Fourth Proportional to 57,619.40, 79,519.99 and 34,964.12

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Solution

The fourth proportional to 57,619.40, 79,519.99 and 34,964.12 is: 48,253.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,619.40 : 79,519.99 = 34,964.12 : x
  2. Step 2: Convert to fraction form
    57,619.40/79,519.99 = 34,964.12/x
  3. Step 3: Cross multiply
    57,619.40x = 79,519.99 × 34,964.12
  4. Step 4: Simplify right side
    57,619.40x = 2,780,346,584.15
  5. Step 5: Solve for x
    x = 2,780,346,584.15/57,619.40
  6. Step 6: Final answer
    x = 48,253.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.