Home / 67,154.94-92,676.96-38,855.16

Finding the Fourth Proportional to 67,154.94, 92,676.96 and 38,855.16

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Solution

The fourth proportional to 67,154.94, 92,676.96 and 38,855.16 is: 53,621.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,154.94 : 92,676.96 = 38,855.16 : x
  2. Step 2: Convert to fraction form
    67,154.94/92,676.96 = 38,855.16/x
  3. Step 3: Cross multiply
    67,154.94x = 92,676.96 × 38,855.16
  4. Step 4: Simplify right side
    67,154.94x = 3,600,978,109.11
  5. Step 5: Solve for x
    x = 3,600,978,109.11/67,154.94
  6. Step 6: Final answer
    x = 53,621.94

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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.