Home / 81,173.15-111,946.40-50,961.27

Finding the Fourth Proportional to 81,173.15, 111,946.40 and 50,961.27

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Solution

The fourth proportional to 81,173.15, 111,946.40 and 50,961.27 is: 70,281.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,173.15 : 111,946.40 = 50,961.27 : x
  2. Step 2: Convert to fraction form
    81,173.15/111,946.40 = 50,961.27/x
  3. Step 3: Cross multiply
    81,173.15x = 111,946.40 × 50,961.27
  4. Step 4: Simplify right side
    81,173.15x = 5,704,930,461.12
  5. Step 5: Solve for x
    x = 5,704,930,461.12/81,173.15
  6. Step 6: Final answer
    x = 70,281.01

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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.