Home / 78,227.46-117,341.22-19,062.66

Finding the Fourth Proportional to 78,227.46, 117,341.22 and 19,062.66

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Solution

The fourth proportional to 78,227.46, 117,341.22 and 19,062.66 is: 28,594.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,227.46 : 117,341.22 = 19,062.66 : x
  2. Step 2: Convert to fraction form
    78,227.46/117,341.22 = 19,062.66/x
  3. Step 3: Cross multiply
    78,227.46x = 117,341.22 × 19,062.66
  4. Step 4: Simplify right side
    78,227.46x = 2,236,835,780.85
  5. Step 5: Solve for x
    x = 2,236,835,780.85/78,227.46
  6. Step 6: Final answer
    x = 28,594.00

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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.