Home / 76,876.11-115,365.47-26,956.17

Finding the Fourth Proportional to 76,876.11, 115,365.47 and 26,956.17

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Solution

The fourth proportional to 76,876.11, 115,365.47 and 26,956.17 is: 40,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,876.11 : 115,365.47 = 26,956.17 : x
  2. Step 2: Convert to fraction form
    76,876.11/115,365.47 = 26,956.17/x
  3. Step 3: Cross multiply
    76,876.11x = 115,365.47 × 26,956.17
  4. Step 4: Simplify right side
    76,876.11x = 3,109,811,086.67
  5. Step 5: Solve for x
    x = 3,109,811,086.67/76,876.11
  6. Step 6: Final answer
    x = 40,452.24

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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.