Home / 74,610.06-102,882.96-57,617.04

Finding the Fourth Proportional to 74,610.06, 102,882.96 and 57,617.04

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Solution

The fourth proportional to 74,610.06, 102,882.96 and 57,617.04 is: 79,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,610.06 : 102,882.96 = 57,617.04 : x
  2. Step 2: Convert to fraction form
    74,610.06/102,882.96 = 57,617.04/x
  3. Step 3: Cross multiply
    74,610.06x = 102,882.96 × 57,617.04
  4. Step 4: Simplify right side
    74,610.06x = 5,927,811,621.64
  5. Step 5: Solve for x
    x = 5,927,811,621.64/74,610.06
  6. Step 6: Final answer
    x = 79,450.57

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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.