Home / 69,767.60-104,649.04-30,324.72

Finding the Fourth Proportional to 69,767.60, 104,649.04 and 30,324.72

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Solution

The fourth proportional to 69,767.60, 104,649.04 and 30,324.72 is: 45,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,767.60 : 104,649.04 = 30,324.72 : x
  2. Step 2: Convert to fraction form
    69,767.60/104,649.04 = 30,324.72/x
  3. Step 3: Cross multiply
    69,767.60x = 104,649.04 × 30,324.72
  4. Step 4: Simplify right side
    69,767.60x = 3,173,452,836.27
  5. Step 5: Solve for x
    x = 3,173,452,836.27/69,767.60
  6. Step 6: Final answer
    x = 45,486.05

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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.