Home / 71,881.08-107,777.70-34,452.60

Finding the Fourth Proportional to 71,881.08, 107,777.70 and 34,452.60

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Solution

The fourth proportional to 71,881.08, 107,777.70 and 34,452.60 is: 51,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,881.08 : 107,777.70 = 34,452.60 : x
  2. Step 2: Convert to fraction form
    71,881.08/107,777.70 = 34,452.60/x
  3. Step 3: Cross multiply
    71,881.08x = 107,777.70 × 34,452.60
  4. Step 4: Simplify right side
    71,881.08x = 3,713,221,987.02
  5. Step 5: Solve for x
    x = 3,713,221,987.02/71,881.08
  6. Step 6: Final answer
    x = 51,657.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.