Home / 74,610.68-102,932.24-45,921.68

Finding the Fourth Proportional to 74,610.68, 102,932.24 and 45,921.68

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Solution

The fourth proportional to 74,610.68, 102,932.24 and 45,921.68 is: 63,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,610.68 : 102,932.24 = 45,921.68 : x
  2. Step 2: Convert to fraction form
    74,610.68/102,932.24 = 45,921.68/x
  3. Step 3: Cross multiply
    74,610.68x = 102,932.24 × 45,921.68
  4. Step 4: Simplify right side
    74,610.68x = 4,726,820,642.69
  5. Step 5: Solve for x
    x = 4,726,820,642.69/74,610.68
  6. Step 6: Final answer
    x = 63,353.14

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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.