Home / 67,983.60-101,975.40-36,490.80

Finding the Fourth Proportional to 67,983.60, 101,975.40 and 36,490.80

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Solution

The fourth proportional to 67,983.60, 101,975.40 and 36,490.80 is: 54,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,983.60 : 101,975.40 = 36,490.80 : x
  2. Step 2: Convert to fraction form
    67,983.60/101,975.40 = 36,490.80/x
  3. Step 3: Cross multiply
    67,983.60x = 101,975.40 × 36,490.80
  4. Step 4: Simplify right side
    67,983.60x = 3,721,163,926.32
  5. Step 5: Solve for x
    x = 3,721,163,926.32/67,983.60
  6. Step 6: Final answer
    x = 54,736.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.