Home / 81,866.28-122,798.94-22,701.32

Finding the Fourth Proportional to 81,866.28, 122,798.94 and 22,701.32

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Solution

The fourth proportional to 81,866.28, 122,798.94 and 22,701.32 is: 34,051.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,866.28 : 122,798.94 = 22,701.32 : x
  2. Step 2: Convert to fraction form
    81,866.28/122,798.94 = 22,701.32/x
  3. Step 3: Cross multiply
    81,866.28x = 122,798.94 × 22,701.32
  4. Step 4: Simplify right side
    81,866.28x = 2,787,698,032.60
  5. Step 5: Solve for x
    x = 2,787,698,032.60/81,866.28
  6. Step 6: Final answer
    x = 34,051.85

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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.