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Finding the Fourth Proportional to 69,674.59, 104,412.23 and 55,677.17

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Solution

The fourth proportional to 69,674.59, 104,412.23 and 55,677.17 is: 83,436.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,674.59 : 104,412.23 = 55,677.17 : x
  2. Step 2: Convert to fraction form
    69,674.59/104,412.23 = 55,677.17/x
  3. Step 3: Cross multiply
    69,674.59x = 104,412.23 × 55,677.17
  4. Step 4: Simplify right side
    69,674.59x = 5,813,377,201.40
  5. Step 5: Solve for x
    x = 5,813,377,201.40/69,674.59
  6. Step 6: Final answer
    x = 83,436.12

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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.