Home / 74,069.82-111,030.86-47,793.02

Finding the Fourth Proportional to 74,069.82, 111,030.86 and 47,793.02

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Solution

The fourth proportional to 74,069.82, 111,030.86 and 47,793.02 is: 71,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,069.82 : 111,030.86 = 47,793.02 : x
  2. Step 2: Convert to fraction form
    74,069.82/111,030.86 = 47,793.02/x
  3. Step 3: Cross multiply
    74,069.82x = 111,030.86 × 47,793.02
  4. Step 4: Simplify right side
    74,069.82x = 5,306,500,112.60
  5. Step 5: Solve for x
    x = 5,306,500,112.60/74,069.82
  6. Step 6: Final answer
    x = 71,641.87

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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.