Home / 74,401.50-111,507.32-34,871.52

Finding the Fourth Proportional to 74,401.50, 111,507.32 and 34,871.52

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Solution

The fourth proportional to 74,401.50, 111,507.32 and 34,871.52 is: 52,262.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,401.50 : 111,507.32 = 34,871.52 : x
  2. Step 2: Convert to fraction form
    74,401.50/111,507.32 = 34,871.52/x
  3. Step 3: Cross multiply
    74,401.50x = 111,507.32 × 34,871.52
  4. Step 4: Simplify right side
    74,401.50x = 3,888,429,739.53
  5. Step 5: Solve for x
    x = 3,888,429,739.53/74,401.50
  6. Step 6: Final answer
    x = 52,262.79

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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.