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Finding the Fourth Proportional to 69,574.80, 104,368.02 and 22,196.70

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Solution

The fourth proportional to 69,574.80, 104,368.02 and 22,196.70 is: 33,296.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,574.80 : 104,368.02 = 22,196.70 : x
  2. Step 2: Convert to fraction form
    69,574.80/104,368.02 = 22,196.70/x
  3. Step 3: Cross multiply
    69,574.80x = 104,368.02 × 22,196.70
  4. Step 4: Simplify right side
    69,574.80x = 2,316,625,629.53
  5. Step 5: Solve for x
    x = 2,316,625,629.53/69,574.80
  6. Step 6: Final answer
    x = 33,296.91

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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.