Home / 67,238.06-100,810.31-29,777.76

Finding the Fourth Proportional to 67,238.06, 100,810.31 and 29,777.76

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Solution

The fourth proportional to 67,238.06, 100,810.31 and 29,777.76 is: 44,645.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,238.06 : 100,810.31 = 29,777.76 : x
  2. Step 2: Convert to fraction form
    67,238.06/100,810.31 = 29,777.76/x
  3. Step 3: Cross multiply
    67,238.06x = 100,810.31 × 29,777.76
  4. Step 4: Simplify right side
    67,238.06x = 3,001,905,067.82
  5. Step 5: Solve for x
    x = 3,001,905,067.82/67,238.06
  6. Step 6: Final answer
    x = 44,645.92

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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.