Home / 51,117.60-76,713.64-26,178.48

Finding the Fourth Proportional to 51,117.60, 76,713.64 and 26,178.48

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Solution

The fourth proportional to 51,117.60, 76,713.64 and 26,178.48 is: 39,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,117.60 : 76,713.64 = 26,178.48 : x
  2. Step 2: Convert to fraction form
    51,117.60/76,713.64 = 26,178.48/x
  3. Step 3: Cross multiply
    51,117.60x = 76,713.64 × 26,178.48
  4. Step 4: Simplify right side
    51,117.60x = 2,008,246,490.47
  5. Step 5: Solve for x
    x = 2,008,246,490.47/51,117.60
  6. Step 6: Final answer
    x = 39,286.79

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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.