Home / 69,985.30-104,947.17-25,600.54

Finding the Fourth Proportional to 69,985.30, 104,947.17 and 25,600.54

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Solution

The fourth proportional to 69,985.30, 104,947.17 and 25,600.54 is: 38,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,985.30 : 104,947.17 = 25,600.54 : x
  2. Step 2: Convert to fraction form
    69,985.30/104,947.17 = 25,600.54/x
  3. Step 3: Cross multiply
    69,985.30x = 104,947.17 × 25,600.54
  4. Step 4: Simplify right side
    69,985.30x = 2,686,704,223.47
  5. Step 5: Solve for x
    x = 2,686,704,223.47/69,985.30
  6. Step 6: Final answer
    x = 38,389.55

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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.