Home / 67,154.38-92,671.08-36,939.68

Finding the Fourth Proportional to 67,154.38, 92,671.08 and 36,939.68

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Solution

The fourth proportional to 67,154.38, 92,671.08 and 36,939.68 is: 50,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,154.38 : 92,671.08 = 36,939.68 : x
  2. Step 2: Convert to fraction form
    67,154.38/92,671.08 = 36,939.68/x
  3. Step 3: Cross multiply
    67,154.38x = 92,671.08 × 36,939.68
  4. Step 4: Simplify right side
    67,154.38x = 3,423,240,040.45
  5. Step 5: Solve for x
    x = 3,423,240,040.45/67,154.38
  6. Step 6: Final answer
    x = 50,975.68

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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.