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Finding the Fourth Proportional to 67,963.71, 102,007.84 and 36,409.40

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Solution

The fourth proportional to 67,963.71, 102,007.84 and 36,409.40 is: 54,647.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,963.71 : 102,007.84 = 36,409.40 : x
  2. Step 2: Convert to fraction form
    67,963.71/102,007.84 = 36,409.40/x
  3. Step 3: Cross multiply
    67,963.71x = 102,007.84 × 36,409.40
  4. Step 4: Simplify right side
    67,963.71x = 3,714,044,249.70
  5. Step 5: Solve for x
    x = 3,714,044,249.70/67,963.71
  6. Step 6: Final answer
    x = 54,647.46

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1.5x scale

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.