Home / 89,006.25-122,828.75-48,722.56

Finding the Fourth Proportional to 89,006.25, 122,828.75 and 48,722.56

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Solution

The fourth proportional to 89,006.25, 122,828.75 and 48,722.56 is: 67,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,006.25 : 122,828.75 = 48,722.56 : x
  2. Step 2: Convert to fraction form
    89,006.25/122,828.75 = 48,722.56/x
  3. Step 3: Cross multiply
    89,006.25x = 122,828.75 × 48,722.56
  4. Step 4: Simplify right side
    89,006.25x = 5,984,531,141.60
  5. Step 5: Solve for x
    x = 5,984,531,141.60/89,006.25
  6. Step 6: Final answer
    x = 67,237.20

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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.