Home / 69,071.74-103,620.57-22,312.06

Finding the Fourth Proportional to 69,071.74, 103,620.57 and 22,312.06

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Solution

The fourth proportional to 69,071.74, 103,620.57 and 22,312.06 is: 33,472.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,071.74 : 103,620.57 = 22,312.06 : x
  2. Step 2: Convert to fraction form
    69,071.74/103,620.57 = 22,312.06/x
  3. Step 3: Cross multiply
    69,071.74x = 103,620.57 × 22,312.06
  4. Step 4: Simplify right side
    69,071.74x = 2,311,988,375.07
  5. Step 5: Solve for x
    x = 2,311,988,375.07/69,071.74
  6. Step 6: Final answer
    x = 33,472.28

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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.