Home / 113,736.32-170,547.20-66,367.52

Finding the Fourth Proportional to 113,736.32, 170,547.20 and 66,367.52

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Solution

The fourth proportional to 113,736.32, 170,547.20 and 66,367.52 is: 99,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,736.32 : 170,547.20 = 66,367.52 : x
  2. Step 2: Convert to fraction form
    113,736.32/170,547.20 = 66,367.52/x
  3. Step 3: Cross multiply
    113,736.32x = 170,547.20 × 66,367.52
  4. Step 4: Simplify right side
    113,736.32x = 11,318,794,706.94
  5. Step 5: Solve for x
    x = 11,318,794,706.94/113,736.32
  6. Step 6: Final answer
    x = 99,517.86

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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.