Home / 79,198.32-109,293.36-43,388.28

Finding the Fourth Proportional to 79,198.32, 109,293.36 and 43,388.28

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Solution

The fourth proportional to 79,198.32, 109,293.36 and 43,388.28 is: 59,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,198.32 : 109,293.36 = 43,388.28 : x
  2. Step 2: Convert to fraction form
    79,198.32/109,293.36 = 43,388.28/x
  3. Step 3: Cross multiply
    79,198.32x = 109,293.36 × 43,388.28
  4. Step 4: Simplify right side
    79,198.32x = 4,742,050,905.82
  5. Step 5: Solve for x
    x = 4,742,050,905.82/79,198.32
  6. Step 6: Final answer
    x = 59,875.65

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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.