Home / 76,662.11-115,011.62-32,301.55

Finding the Fourth Proportional to 76,662.11, 115,011.62 and 32,301.55

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Solution

The fourth proportional to 76,662.11, 115,011.62 and 32,301.55 is: 48,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,662.11 : 115,011.62 = 32,301.55 : x
  2. Step 2: Convert to fraction form
    76,662.11/115,011.62 = 32,301.55/x
  3. Step 3: Cross multiply
    76,662.11x = 115,011.62 × 32,301.55
  4. Step 4: Simplify right side
    76,662.11x = 3,715,053,594.01
  5. Step 5: Solve for x
    x = 3,715,053,594.01/76,662.11
  6. Step 6: Final answer
    x = 48,460.10

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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.