Home / 79,719.45-110,020.61-59,541.30

Finding the Fourth Proportional to 79,719.45, 110,020.61 and 59,541.30

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Solution

The fourth proportional to 79,719.45, 110,020.61 and 59,541.30 is: 82,172.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,719.45 : 110,020.61 = 59,541.30 : x
  2. Step 2: Convert to fraction form
    79,719.45/110,020.61 = 59,541.30/x
  3. Step 3: Cross multiply
    79,719.45x = 110,020.61 × 59,541.30
  4. Step 4: Simplify right side
    79,719.45x = 6,550,769,848.49
  5. Step 5: Solve for x
    x = 6,550,769,848.49/79,719.45
  6. Step 6: Final answer
    x = 82,172.79

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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.