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Finding the Fourth Proportional to 69,364.52, 104,046.78 and 29,389.80

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Solution

The fourth proportional to 69,364.52, 104,046.78 and 29,389.80 is: 44,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,364.52 : 104,046.78 = 29,389.80 : x
  2. Step 2: Convert to fraction form
    69,364.52/104,046.78 = 29,389.80/x
  3. Step 3: Cross multiply
    69,364.52x = 104,046.78 × 29,389.80
  4. Step 4: Simplify right side
    69,364.52x = 3,057,913,907.90
  5. Step 5: Solve for x
    x = 3,057,913,907.90/69,364.52
  6. Step 6: Final answer
    x = 44,084.70

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1.5x scale

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.