Home / 85,226.25-117,613.04-46,987.20

Finding the Fourth Proportional to 85,226.25, 117,613.04 and 46,987.20

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Solution

The fourth proportional to 85,226.25, 117,613.04 and 46,987.20 is: 64,842.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,226.25 : 117,613.04 = 46,987.20 : x
  2. Step 2: Convert to fraction form
    85,226.25/117,613.04 = 46,987.20/x
  3. Step 3: Cross multiply
    85,226.25x = 117,613.04 × 46,987.20
  4. Step 4: Simplify right side
    85,226.25x = 5,526,307,198.15
  5. Step 5: Solve for x
    x = 5,526,307,198.15/85,226.25
  6. Step 6: Final answer
    x = 64,842.78

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Double scale
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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.