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Finding the Fourth Proportional to 84,952.75, 117,062.04 and 65,715.70

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Solution

The fourth proportional to 84,952.75, 117,062.04 and 65,715.70 is: 90,554.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,952.75 : 117,062.04 = 65,715.70 : x
  2. Step 2: Convert to fraction form
    84,952.75/117,062.04 = 65,715.70/x
  3. Step 3: Cross multiply
    84,952.75x = 117,062.04 × 65,715.70
  4. Step 4: Simplify right side
    84,952.75x = 7,692,813,902.03
  5. Step 5: Solve for x
    x = 7,692,813,902.03/84,952.75
  6. Step 6: Final answer
    x = 90,554.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.