Home / 75,633.04-113,236.02-40,013.68

Finding the Fourth Proportional to 75,633.04, 113,236.02 and 40,013.68

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Solution

The fourth proportional to 75,633.04, 113,236.02 and 40,013.68 is: 59,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,633.04 : 113,236.02 = 40,013.68 : x
  2. Step 2: Convert to fraction form
    75,633.04/113,236.02 = 40,013.68/x
  3. Step 3: Cross multiply
    75,633.04x = 113,236.02 × 40,013.68
  4. Step 4: Simplify right side
    75,633.04x = 4,530,989,868.75
  5. Step 5: Solve for x
    x = 4,530,989,868.75/75,633.04
  6. Step 6: Final answer
    x = 59,907.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.