Home / 67,164.10-92,679.18-38,864.50

Finding the Fourth Proportional to 67,164.10, 92,679.18 and 38,864.50

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Solution

The fourth proportional to 67,164.10, 92,679.18 and 38,864.50 is: 53,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,164.10 : 92,679.18 = 38,864.50 : x
  2. Step 2: Convert to fraction form
    67,164.10/92,679.18 = 38,864.50/x
  3. Step 3: Cross multiply
    67,164.10x = 92,679.18 × 38,864.50
  4. Step 4: Simplify right side
    67,164.10x = 3,601,929,991.11
  5. Step 5: Solve for x
    x = 3,601,929,991.11/67,164.10
  6. Step 6: Final answer
    x = 53,628.80

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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.