Home / 85,736.19-118,322.18-51,752.95

Finding the Fourth Proportional to 85,736.19, 118,322.18 and 51,752.95

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Solution

The fourth proportional to 85,736.19, 118,322.18 and 51,752.95 is: 71,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,736.19 : 118,322.18 = 51,752.95 : x
  2. Step 2: Convert to fraction form
    85,736.19/118,322.18 = 51,752.95/x
  3. Step 3: Cross multiply
    85,736.19x = 118,322.18 × 51,752.95
  4. Step 4: Simplify right side
    85,736.19x = 6,123,521,504.93
  5. Step 5: Solve for x
    x = 6,123,521,504.93/85,736.19
  6. Step 6: Final answer
    x = 71,422.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.