Home / 69,678.86-104,559.84-25,309.10

Finding the Fourth Proportional to 69,678.86, 104,559.84 and 25,309.10

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Solution

The fourth proportional to 69,678.86, 104,559.84 and 25,309.10 is: 37,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,678.86 : 104,559.84 = 25,309.10 : x
  2. Step 2: Convert to fraction form
    69,678.86/104,559.84 = 25,309.10/x
  3. Step 3: Cross multiply
    69,678.86x = 104,559.84 × 25,309.10
  4. Step 4: Simplify right side
    69,678.86x = 2,646,315,446.54
  5. Step 5: Solve for x
    x = 2,646,315,446.54/69,678.86
  6. Step 6: Final answer
    x = 37,978.74

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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.