Home / 67,966.22-102,011.60-36,411.90

Finding the Fourth Proportional to 67,966.22, 102,011.60 and 36,411.90

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Solution

The fourth proportional to 67,966.22, 102,011.60 and 36,411.90 is: 54,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,966.22 : 102,011.60 = 36,411.90 : x
  2. Step 2: Convert to fraction form
    67,966.22/102,011.60 = 36,411.90/x
  3. Step 3: Cross multiply
    67,966.22x = 102,011.60 × 36,411.90
  4. Step 4: Simplify right side
    67,966.22x = 3,714,435,995.98
  5. Step 5: Solve for x
    x = 3,714,435,995.98/67,966.22
  6. Step 6: Final answer
    x = 54,651.21

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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.