Home / 74,179.81-111,274.84-29,806.61

Finding the Fourth Proportional to 74,179.81, 111,274.84 and 29,806.61

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Solution

The fourth proportional to 74,179.81, 111,274.84 and 29,806.61 is: 44,711.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,179.81 : 111,274.84 = 29,806.61 : x
  2. Step 2: Convert to fraction form
    74,179.81/111,274.84 = 29,806.61/x
  3. Step 3: Cross multiply
    74,179.81x = 111,274.84 × 29,806.61
  4. Step 4: Simplify right side
    74,179.81x = 3,316,725,758.69
  5. Step 5: Solve for x
    x = 3,316,725,758.69/74,179.81
  6. Step 6: Final answer
    x = 44,711.98

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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.