Home / 85,751.40-118,336.68-49,452.69

Finding the Fourth Proportional to 85,751.40, 118,336.68 and 49,452.69

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Solution

The fourth proportional to 85,751.40, 118,336.68 and 49,452.69 is: 68,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,751.40 : 118,336.68 = 49,452.69 : x
  2. Step 2: Convert to fraction form
    85,751.40/118,336.68 = 49,452.69/x
  3. Step 3: Cross multiply
    85,751.40x = 118,336.68 × 49,452.69
  4. Step 4: Simplify right side
    85,751.40x = 5,852,067,151.67
  5. Step 5: Solve for x
    x = 5,852,067,151.67/85,751.40
  6. Step 6: Final answer
    x = 68,244.57

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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.