Home / 61,313.78-91,905.23-34,961.78

Finding the Fourth Proportional to 61,313.78, 91,905.23 and 34,961.78

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Solution

The fourth proportional to 61,313.78, 91,905.23 and 34,961.78 is: 52,405.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,313.78 : 91,905.23 = 34,961.78 : x
  2. Step 2: Convert to fraction form
    61,313.78/91,905.23 = 34,961.78/x
  3. Step 3: Cross multiply
    61,313.78x = 91,905.23 × 34,961.78
  4. Step 4: Simplify right side
    61,313.78x = 3,213,170,432.11
  5. Step 5: Solve for x
    x = 3,213,170,432.11/61,313.78
  6. Step 6: Final answer
    x = 52,405.36

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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.