Home / 85,467.12-117,920.61-49,166.67

Finding the Fourth Proportional to 85,467.12, 117,920.61 and 49,166.67

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Solution

The fourth proportional to 85,467.12, 117,920.61 and 49,166.67 is: 67,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,467.12 : 117,920.61 = 49,166.67 : x
  2. Step 2: Convert to fraction form
    85,467.12/117,920.61 = 49,166.67/x
  3. Step 3: Cross multiply
    85,467.12x = 117,920.61 × 49,166.67
  4. Step 4: Simplify right side
    85,467.12x = 5,797,763,718.07
  5. Step 5: Solve for x
    x = 5,797,763,718.07/85,467.12
  6. Step 6: Final answer
    x = 67,836.19

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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.