Home / 85,338.88-117,767.46-49,549.84

Finding the Fourth Proportional to 85,338.88, 117,767.46 and 49,549.84

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Solution

The fourth proportional to 85,338.88, 117,767.46 and 49,549.84 is: 68,378.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,338.88 : 117,767.46 = 49,549.84 : x
  2. Step 2: Convert to fraction form
    85,338.88/117,767.46 = 49,549.84/x
  3. Step 3: Cross multiply
    85,338.88x = 117,767.46 × 49,549.84
  4. Step 4: Simplify right side
    85,338.88x = 5,835,358,800.21
  5. Step 5: Solve for x
    x = 5,835,358,800.21/85,338.88
  6. Step 6: Final answer
    x = 68,378.67

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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.