Home / 70,417.06-105,625.77-17,826.55

Finding the Fourth Proportional to 70,417.06, 105,625.77 and 17,826.55

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Solution

The fourth proportional to 70,417.06, 105,625.77 and 17,826.55 is: 26,739.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,417.06 : 105,625.77 = 17,826.55 : x
  2. Step 2: Convert to fraction form
    70,417.06/105,625.77 = 17,826.55/x
  3. Step 3: Cross multiply
    70,417.06x = 105,625.77 × 17,826.55
  4. Step 4: Simplify right side
    70,417.06x = 1,882,942,452.93
  5. Step 5: Solve for x
    x = 1,882,942,452.93/70,417.06
  6. Step 6: Final answer
    x = 26,739.86

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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.