Home / 67,149.70-92,666.77-36,938.12

Finding the Fourth Proportional to 67,149.70, 92,666.77 and 36,938.12

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Solution

The fourth proportional to 67,149.70, 92,666.77 and 36,938.12 is: 50,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,149.70 : 92,666.77 = 36,938.12 : x
  2. Step 2: Convert to fraction form
    67,149.70/92,666.77 = 36,938.12/x
  3. Step 3: Cross multiply
    67,149.70x = 92,666.77 × 36,938.12
  4. Step 4: Simplify right side
    67,149.70x = 3,422,935,714.59
  5. Step 5: Solve for x
    x = 3,422,935,714.59/67,149.70
  6. Step 6: Final answer
    x = 50,974.70

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1.5x scale

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.