Home / 67,045.04-92,553.60-38,745.20

Finding the Fourth Proportional to 67,045.04, 92,553.60 and 38,745.20

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Solution

The fourth proportional to 67,045.04, 92,553.60 and 38,745.20 is: 53,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,045.04 : 92,553.60 = 38,745.20 : x
  2. Step 2: Convert to fraction form
    67,045.04/92,553.60 = 38,745.20/x
  3. Step 3: Cross multiply
    67,045.04x = 92,553.60 × 38,745.20
  4. Step 4: Simplify right side
    67,045.04x = 3,586,007,742.72
  5. Step 5: Solve for x
    x = 3,586,007,742.72/67,045.04
  6. Step 6: Final answer
    x = 53,486.55

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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.