Home / 85,193.94-117,568.89-49,386.66

Finding the Fourth Proportional to 85,193.94, 117,568.89 and 49,386.66

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Solution

The fourth proportional to 85,193.94, 117,568.89 and 49,386.66 is: 68,154.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,193.94 : 117,568.89 = 49,386.66 : x
  2. Step 2: Convert to fraction form
    85,193.94/117,568.89 = 49,386.66/x
  3. Step 3: Cross multiply
    85,193.94x = 117,568.89 × 49,386.66
  4. Step 4: Simplify right side
    85,193.94x = 5,806,334,797.01
  5. Step 5: Solve for x
    x = 5,806,334,797.01/85,193.94
  6. Step 6: Final answer
    x = 68,154.32

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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.