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Finding the Fourth Proportional to 69,609.57, 104,401.02 and 19,677.62

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Solution

The fourth proportional to 69,609.57, 104,401.02 and 19,677.62 is: 29,512.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,609.57 : 104,401.02 = 19,677.62 : x
  2. Step 2: Convert to fraction form
    69,609.57/104,401.02 = 19,677.62/x
  3. Step 3: Cross multiply
    69,609.57x = 104,401.02 × 19,677.62
  4. Step 4: Simplify right side
    69,609.57x = 2,054,363,599.17
  5. Step 5: Solve for x
    x = 2,054,363,599.17/69,609.57
  6. Step 6: Final answer
    x = 29,512.66

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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.