Home / 66,847.74-100,123.13-47,836.95

Finding the Fourth Proportional to 66,847.74, 100,123.13 and 47,836.95

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Solution

The fourth proportional to 66,847.74, 100,123.13 and 47,836.95 is: 71,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,847.74 : 100,123.13 = 47,836.95 : x
  2. Step 2: Convert to fraction form
    66,847.74/100,123.13 = 47,836.95/x
  3. Step 3: Cross multiply
    66,847.74x = 100,123.13 × 47,836.95
  4. Step 4: Simplify right side
    66,847.74x = 4,789,584,924.47
  5. Step 5: Solve for x
    x = 4,789,584,924.47/66,847.74
  6. Step 6: Final answer
    x = 71,649.17

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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.