Home / 74,732.46-112,098.81-51,287.82

Finding the Fourth Proportional to 74,732.46, 112,098.81 and 51,287.82

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Solution

The fourth proportional to 74,732.46, 112,098.81 and 51,287.82 is: 76,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,732.46 : 112,098.81 = 51,287.82 : x
  2. Step 2: Convert to fraction form
    74,732.46/112,098.81 = 51,287.82/x
  3. Step 3: Cross multiply
    74,732.46x = 112,098.81 × 51,287.82
  4. Step 4: Simplify right side
    74,732.46x = 5,749,303,589.49
  5. Step 5: Solve for x
    x = 5,749,303,589.49/74,732.46
  6. Step 6: Final answer
    x = 76,931.81

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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.