Home / 74,337.45-102,532.68-68,224.84

Finding the Fourth Proportional to 74,337.45, 102,532.68 and 68,224.84

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Solution

The fourth proportional to 74,337.45, 102,532.68 and 68,224.84 is: 94,101.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,337.45 : 102,532.68 = 68,224.84 : x
  2. Step 2: Convert to fraction form
    74,337.45/102,532.68 = 68,224.84/x
  3. Step 3: Cross multiply
    74,337.45x = 102,532.68 × 68,224.84
  4. Step 4: Simplify right side
    74,337.45x = 6,995,275,687.77
  5. Step 5: Solve for x
    x = 6,995,275,687.77/74,337.45
  6. Step 6: Final answer
    x = 94,101.64

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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.