Home / 61,056.70-84,255.75-34,198.78

Finding the Fourth Proportional to 61,056.70, 84,255.75 and 34,198.78

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Solution

The fourth proportional to 61,056.70, 84,255.75 and 34,198.78 is: 47,192.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,056.70 : 84,255.75 = 34,198.78 : x
  2. Step 2: Convert to fraction form
    61,056.70/84,255.75 = 34,198.78/x
  3. Step 3: Cross multiply
    61,056.70x = 84,255.75 × 34,198.78
  4. Step 4: Simplify right side
    61,056.70x = 2,881,443,857.99
  5. Step 5: Solve for x
    x = 2,881,443,857.99/61,056.70
  6. Step 6: Final answer
    x = 47,192.92

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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.