Home / 74,372.06-102,563.10-48,833.38

Finding the Fourth Proportional to 74,372.06, 102,563.10 and 48,833.38

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Solution

The fourth proportional to 74,372.06, 102,563.10 and 48,833.38 is: 67,343.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,372.06 : 102,563.10 = 48,833.38 : x
  2. Step 2: Convert to fraction form
    74,372.06/102,563.10 = 48,833.38/x
  3. Step 3: Cross multiply
    74,372.06x = 102,563.10 × 48,833.38
  4. Step 4: Simplify right side
    74,372.06x = 5,008,502,323.46
  5. Step 5: Solve for x
    x = 5,008,502,323.46/74,372.06
  6. Step 6: Final answer
    x = 67,343.87

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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.