Home / 85,043.84-117,353.34-50,112.95

Finding the Fourth Proportional to 85,043.84, 117,353.34 and 50,112.95

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Solution

The fourth proportional to 85,043.84, 117,353.34 and 50,112.95 is: 69,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,043.84 : 117,353.34 = 50,112.95 : x
  2. Step 2: Convert to fraction form
    85,043.84/117,353.34 = 50,112.95/x
  3. Step 3: Cross multiply
    85,043.84x = 117,353.34 × 50,112.95
  4. Step 4: Simplify right side
    85,043.84x = 5,880,921,472.99
  5. Step 5: Solve for x
    x = 5,880,921,472.99/85,043.84
  6. Step 6: Final answer
    x = 69,151.65

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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.