Home / 62,974.56-86,905.02-34,680.30

Finding the Fourth Proportional to 62,974.56, 86,905.02 and 34,680.30

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Solution

The fourth proportional to 62,974.56, 86,905.02 and 34,680.30 is: 47,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,974.56 : 86,905.02 = 34,680.30 : x
  2. Step 2: Convert to fraction form
    62,974.56/86,905.02 = 34,680.30/x
  3. Step 3: Cross multiply
    62,974.56x = 86,905.02 × 34,680.30
  4. Step 4: Simplify right side
    62,974.56x = 3,013,892,165.11
  5. Step 5: Solve for x
    x = 3,013,892,165.11/62,974.56
  6. Step 6: Final answer
    x = 47,858.88

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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.