Home / 69,818.90-104,728.20-25,427.51

Finding the Fourth Proportional to 69,818.90, 104,728.20 and 25,427.51

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Solution

The fourth proportional to 69,818.90, 104,728.20 and 25,427.51 is: 38,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,818.90 : 104,728.20 = 25,427.51 : x
  2. Step 2: Convert to fraction form
    69,818.90/104,728.20 = 25,427.51/x
  3. Step 3: Cross multiply
    69,818.90x = 104,728.20 × 25,427.51
  4. Step 4: Simplify right side
    69,818.90x = 2,662,977,614.60
  5. Step 5: Solve for x
    x = 2,662,977,614.60/69,818.90
  6. Step 6: Final answer
    x = 38,141.21

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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.