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Finding the Fourth Proportional to 61,394.94, 91,928.16 and 35,063.46

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Solution

The fourth proportional to 61,394.94, 91,928.16 and 35,063.46 is: 52,501.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,394.94 : 91,928.16 = 35,063.46 : x
  2. Step 2: Convert to fraction form
    61,394.94/91,928.16 = 35,063.46/x
  3. Step 3: Cross multiply
    61,394.94x = 91,928.16 × 35,063.46
  4. Step 4: Simplify right side
    61,394.94x = 3,223,319,361.03
  5. Step 5: Solve for x
    x = 3,223,319,361.03/61,394.94
  6. Step 6: Final answer
    x = 52,501.38

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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.