Home / 76,964.01-115,463.31-27,047.55

Finding the Fourth Proportional to 76,964.01, 115,463.31 and 27,047.55

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Solution

The fourth proportional to 76,964.01, 115,463.31 and 27,047.55 is: 40,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,964.01 : 115,463.31 = 27,047.55 : x
  2. Step 2: Convert to fraction form
    76,964.01/115,463.31 = 27,047.55/x
  3. Step 3: Cross multiply
    76,964.01x = 115,463.31 × 27,047.55
  4. Step 4: Simplify right side
    76,964.01x = 3,122,999,650.39
  5. Step 5: Solve for x
    x = 3,122,999,650.39/76,964.01
  6. Step 6: Final answer
    x = 40,577.40

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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.