Home / 73,868.75-101,938.92-40,334.75

Finding the Fourth Proportional to 73,868.75, 101,938.92 and 40,334.75

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Solution

The fourth proportional to 73,868.75, 101,938.92 and 40,334.75 is: 55,661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,868.75 : 101,938.92 = 40,334.75 : x
  2. Step 2: Convert to fraction form
    73,868.75/101,938.92 = 40,334.75/x
  3. Step 3: Cross multiply
    73,868.75x = 101,938.92 × 40,334.75
  4. Step 4: Simplify right side
    73,868.75x = 4,111,680,853.47
  5. Step 5: Solve for x
    x = 4,111,680,853.47/73,868.75
  6. Step 6: Final answer
    x = 55,661.98

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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.