Home / 79,214.32-109,318.31-43,406.62

Finding the Fourth Proportional to 79,214.32, 109,318.31 and 43,406.62

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Solution

The fourth proportional to 79,214.32, 109,318.31 and 43,406.62 is: 59,902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,214.32 : 109,318.31 = 43,406.62 : x
  2. Step 2: Convert to fraction form
    79,214.32/109,318.31 = 43,406.62/x
  3. Step 3: Cross multiply
    79,214.32x = 109,318.31 × 43,406.62
  4. Step 4: Simplify right side
    79,214.32x = 4,745,138,013.66
  5. Step 5: Solve for x
    x = 4,745,138,013.66/79,214.32
  6. Step 6: Final answer
    x = 59,902.53

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1.5x scale

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.