Home / 81,907.17-122,778.83-34,533.71

Finding the Fourth Proportional to 81,907.17, 122,778.83 and 34,533.71

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Solution

The fourth proportional to 81,907.17, 122,778.83 and 34,533.71 is: 51,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,907.17 : 122,778.83 = 34,533.71 : x
  2. Step 2: Convert to fraction form
    81,907.17/122,778.83 = 34,533.71/x
  3. Step 3: Cross multiply
    81,907.17x = 122,778.83 × 34,533.71
  4. Step 4: Simplify right side
    81,907.17x = 4,240,007,722.80
  5. Step 5: Solve for x
    x = 4,240,007,722.80/81,907.17
  6. Step 6: Final answer
    x = 51,766.01

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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.