Home / 81,173.02-111,946.23-50,961.15

Finding the Fourth Proportional to 81,173.02, 111,946.23 and 50,961.15

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Solution

The fourth proportional to 81,173.02, 111,946.23 and 50,961.15 is: 70,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,173.02 : 111,946.23 = 50,961.15 : x
  2. Step 2: Convert to fraction form
    81,173.02/111,946.23 = 50,961.15/x
  3. Step 3: Cross multiply
    81,173.02x = 111,946.23 × 50,961.15
  4. Step 4: Simplify right side
    81,173.02x = 5,704,908,618.96
  5. Step 5: Solve for x
    x = 5,704,908,618.96/81,173.02
  6. Step 6: Final answer
    x = 70,280.85

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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.