Home / 71,860.33-98,449.12-69,166.80

Finding the Fourth Proportional to 71,860.33, 98,449.12 and 69,166.80

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Solution

The fourth proportional to 71,860.33, 98,449.12 and 69,166.80 is: 94,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,860.33 : 98,449.12 = 69,166.80 : x
  2. Step 2: Convert to fraction form
    71,860.33/98,449.12 = 69,166.80/x
  3. Step 3: Cross multiply
    71,860.33x = 98,449.12 × 69,166.80
  4. Step 4: Simplify right side
    71,860.33x = 6,809,410,593.22
  5. Step 5: Solve for x
    x = 6,809,410,593.22/71,860.33
  6. Step 6: Final answer
    x = 94,758.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.