Home / 69,788.31-104,723.46-25,417.72

Finding the Fourth Proportional to 69,788.31, 104,723.46 and 25,417.72

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Solution

The fourth proportional to 69,788.31, 104,723.46 and 25,417.72 is: 38,141.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,788.31 : 104,723.46 = 25,417.72 : x
  2. Step 2: Convert to fraction form
    69,788.31/104,723.46 = 25,417.72/x
  3. Step 3: Cross multiply
    69,788.31x = 104,723.46 × 25,417.72
  4. Step 4: Simplify right side
    69,788.31x = 2,661,831,583.71
  5. Step 5: Solve for x
    x = 2,661,831,583.71/69,788.31
  6. Step 6: Final answer
    x = 38,141.51

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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.