Home / 74,437.20-111,655.80-44,912.70

Finding the Fourth Proportional to 74,437.20, 111,655.80 and 44,912.70

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Solution

The fourth proportional to 74,437.20, 111,655.80 and 44,912.70 is: 67,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,437.20 : 111,655.80 = 44,912.70 : x
  2. Step 2: Convert to fraction form
    74,437.20/111,655.80 = 44,912.70/x
  3. Step 3: Cross multiply
    74,437.20x = 111,655.80 × 44,912.70
  4. Step 4: Simplify right side
    74,437.20x = 5,014,763,448.66
  5. Step 5: Solve for x
    x = 5,014,763,448.66/74,437.20
  6. Step 6: Final answer
    x = 67,369.05

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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.