Home / 74,351.49-111,468.91-36,885.21

Finding the Fourth Proportional to 74,351.49, 111,468.91 and 36,885.21

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Solution

The fourth proportional to 74,351.49, 111,468.91 and 36,885.21 is: 55,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,351.49 : 111,468.91 = 36,885.21 : x
  2. Step 2: Convert to fraction form
    74,351.49/111,468.91 = 36,885.21/x
  3. Step 3: Cross multiply
    74,351.49x = 111,468.91 × 36,885.21
  4. Step 4: Simplify right side
    74,351.49x = 4,111,554,153.82
  5. Step 5: Solve for x
    x = 4,111,554,153.82/74,351.49
  6. Step 6: Final answer
    x = 55,298.88

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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.