Home / 75,648.32-104,388-43,807.04

Finding the Fourth Proportional to 75,648.32, 104,388 and 43,807.04

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Solution

The fourth proportional to 75,648.32, 104,388 and 43,807.04 is: 60,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,648.32 : 104,388 = 43,807.04 : x
  2. Step 2: Convert to fraction form
    75,648.32/104,388 = 43,807.04/x
  3. Step 3: Cross multiply
    75,648.32x = 104,388 × 43,807.04
  4. Step 4: Simplify right side
    75,648.32x = 4,572,929,291.52
  5. Step 5: Solve for x
    x = 4,572,929,291.52/75,648.32
  6. Step 6: Final answer
    x = 60,449.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.