Home / 77,326.43-115,961.18-26,712.57

Finding the Fourth Proportional to 77,326.43, 115,961.18 and 26,712.57

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Solution

The fourth proportional to 77,326.43, 115,961.18 and 26,712.57 is: 40,059.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,326.43 : 115,961.18 = 26,712.57 : x
  2. Step 2: Convert to fraction form
    77,326.43/115,961.18 = 26,712.57/x
  3. Step 3: Cross multiply
    77,326.43x = 115,961.18 × 26,712.57
  4. Step 4: Simplify right side
    77,326.43x = 3,097,621,204.81
  5. Step 5: Solve for x
    x = 3,097,621,204.81/77,326.43
  6. Step 6: Final answer
    x = 40,059.03

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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.