Home / 79,986.84-110,386.44-48,166

Finding the Fourth Proportional to 79,986.84, 110,386.44 and 48,166

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Solution

The fourth proportional to 79,986.84, 110,386.44 and 48,166 is: 66,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,986.84 : 110,386.44 = 48,166 : x
  2. Step 2: Convert to fraction form
    79,986.84/110,386.44 = 48,166/x
  3. Step 3: Cross multiply
    79,986.84x = 110,386.44 × 48,166
  4. Step 4: Simplify right side
    79,986.84x = 5,316,873,269.04
  5. Step 5: Solve for x
    x = 5,316,873,269.04/79,986.84
  6. Step 6: Final answer
    x = 66,471.85

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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.