Home / 75,718.06-104,489.60-43,889.92

Finding the Fourth Proportional to 75,718.06, 104,489.60 and 43,889.92

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Solution

The fourth proportional to 75,718.06, 104,489.60 and 43,889.92 is: 60,567.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,718.06 : 104,489.60 = 43,889.92 : x
  2. Step 2: Convert to fraction form
    75,718.06/104,489.60 = 43,889.92/x
  3. Step 3: Cross multiply
    75,718.06x = 104,489.60 × 43,889.92
  4. Step 4: Simplify right side
    75,718.06x = 4,586,040,184.83
  5. Step 5: Solve for x
    x = 4,586,040,184.83/75,718.06
  6. Step 6: Final answer
    x = 60,567.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.