Home / 77,697.60-107,195.04-45,850.56

Finding the Fourth Proportional to 77,697.60, 107,195.04 and 45,850.56

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Solution

The fourth proportional to 77,697.60, 107,195.04 and 45,850.56 is: 63,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,697.60 : 107,195.04 = 45,850.56 : x
  2. Step 2: Convert to fraction form
    77,697.60/107,195.04 = 45,850.56/x
  3. Step 3: Cross multiply
    77,697.60x = 107,195.04 × 45,850.56
  4. Step 4: Simplify right side
    77,697.60x = 4,914,952,613.22
  5. Step 5: Solve for x
    x = 4,914,952,613.22/77,697.60
  6. Step 6: Final answer
    x = 63,257.46

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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.