Home / 74,071.82-111,033.86-47,795.02

Finding the Fourth Proportional to 74,071.82, 111,033.86 and 47,795.02

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Solution

The fourth proportional to 74,071.82, 111,033.86 and 47,795.02 is: 71,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,071.82 : 111,033.86 = 47,795.02 : x
  2. Step 2: Convert to fraction form
    74,071.82/111,033.86 = 47,795.02/x
  3. Step 3: Cross multiply
    74,071.82x = 111,033.86 × 47,795.02
  4. Step 4: Simplify right side
    74,071.82x = 5,306,865,559.38
  5. Step 5: Solve for x
    x = 5,306,865,559.38/74,071.82
  6. Step 6: Final answer
    x = 71,644.87

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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.