Home / 45,394.38-68,202.78-42,876.60

Finding the Fourth Proportional to 45,394.38, 68,202.78 and 42,876.60

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Solution

The fourth proportional to 45,394.38, 68,202.78 and 42,876.60 is: 64,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,394.38 : 68,202.78 = 42,876.60 : x
  2. Step 2: Convert to fraction form
    45,394.38/68,202.78 = 42,876.60/x
  3. Step 3: Cross multiply
    45,394.38x = 68,202.78 × 42,876.60
  4. Step 4: Simplify right side
    45,394.38x = 2,924,303,316.95
  5. Step 5: Solve for x
    x = 2,924,303,316.95/45,394.38
  6. Step 6: Final answer
    x = 64,419.94

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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.