Home / 113,742.40-170,613.58-61,079.44

Finding the Fourth Proportional to 113,742.40, 170,613.58 and 61,079.44

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Solution

The fourth proportional to 113,742.40, 170,613.58 and 61,079.44 is: 91,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,742.40 : 170,613.58 = 61,079.44 : x
  2. Step 2: Convert to fraction form
    113,742.40/170,613.58 = 61,079.44/x
  3. Step 3: Cross multiply
    113,742.40x = 170,613.58 × 61,079.44
  4. Step 4: Simplify right side
    113,742.40x = 10,420,981,922.80
  5. Step 5: Solve for x
    x = 10,420,981,922.80/113,742.40
  6. Step 6: Final answer
    x = 91,619.15

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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.