Home / 67,404.10-101,142.60-27,965.20

Finding the Fourth Proportional to 67,404.10, 101,142.60 and 27,965.20

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Solution

The fourth proportional to 67,404.10, 101,142.60 and 27,965.20 is: 41,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,404.10 : 101,142.60 = 27,965.20 : x
  2. Step 2: Convert to fraction form
    67,404.10/101,142.60 = 27,965.20/x
  3. Step 3: Cross multiply
    67,404.10x = 101,142.60 × 27,965.20
  4. Step 4: Simplify right side
    67,404.10x = 2,828,473,037.52
  5. Step 5: Solve for x
    x = 2,828,473,037.52/67,404.10
  6. Step 6: Final answer
    x = 41,962.92

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1.5x scale

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.