Home / 85,752.40-118,338.06-49,453.69

Finding the Fourth Proportional to 85,752.40, 118,338.06 and 49,453.69

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Solution

The fourth proportional to 85,752.40, 118,338.06 and 49,453.69 is: 68,245.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,752.40 : 118,338.06 = 49,453.69 : x
  2. Step 2: Convert to fraction form
    85,752.40/118,338.06 = 49,453.69/x
  3. Step 3: Cross multiply
    85,752.40x = 118,338.06 × 49,453.69
  4. Step 4: Simplify right side
    85,752.40x = 5,852,253,734.44
  5. Step 5: Solve for x
    x = 5,852,253,734.44/85,752.40
  6. Step 6: Final answer
    x = 68,245.95

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1.5x scale

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.