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Finding the Fourth Proportional to 97,101.68, 133,599.60 and 75,844.04

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Solution

The fourth proportional to 97,101.68, 133,599.60 and 75,844.04 is: 104,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,101.68 : 133,599.60 = 75,844.04 : x
  2. Step 2: Convert to fraction form
    97,101.68/133,599.60 = 75,844.04/x
  3. Step 3: Cross multiply
    97,101.68x = 133,599.60 × 75,844.04
  4. Step 4: Simplify right side
    97,101.68x = 10,132,733,406.38
  5. Step 5: Solve for x
    x = 10,132,733,406.38/97,101.68
  6. Step 6: Final answer
    x = 104,351.78

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Why These Related Problems?

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