Home / 79,018.56-109,047.96-43,207.92

Finding the Fourth Proportional to 79,018.56, 109,047.96 and 43,207.92

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Solution

The fourth proportional to 79,018.56, 109,047.96 and 43,207.92 is: 59,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,018.56 : 109,047.96 = 43,207.92 : x
  2. Step 2: Convert to fraction form
    79,018.56/109,047.96 = 43,207.92/x
  3. Step 3: Cross multiply
    79,018.56x = 109,047.96 × 43,207.92
  4. Step 4: Simplify right side
    79,018.56x = 4,711,735,531.84
  5. Step 5: Solve for x
    x = 4,711,735,531.84/79,018.56
  6. Step 6: Final answer
    x = 59,628.21

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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.