Home / 69,013.32-103,531.97-26,916.30

Finding the Fourth Proportional to 69,013.32, 103,531.97 and 26,916.30

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Solution

The fourth proportional to 69,013.32, 103,531.97 and 26,916.30 is: 40,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,013.32 : 103,531.97 = 26,916.30 : x
  2. Step 2: Convert to fraction form
    69,013.32/103,531.97 = 26,916.30/x
  3. Step 3: Cross multiply
    69,013.32x = 103,531.97 × 26,916.30
  4. Step 4: Simplify right side
    69,013.32x = 2,786,697,631.40
  5. Step 5: Solve for x
    x = 2,786,697,631.40/69,013.32
  6. Step 6: Final answer
    x = 40,379.13

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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.