Home / 89,046.76-122,886.04-48,759.88

Finding the Fourth Proportional to 89,046.76, 122,886.04 and 48,759.88

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Solution

The fourth proportional to 89,046.76, 122,886.04 and 48,759.88 is: 67,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,046.76 : 122,886.04 = 48,759.88 : x
  2. Step 2: Convert to fraction form
    89,046.76/122,886.04 = 48,759.88/x
  3. Step 3: Cross multiply
    89,046.76x = 122,886.04 × 48,759.88
  4. Step 4: Simplify right side
    89,046.76x = 5,991,908,564.08
  5. Step 5: Solve for x
    x = 5,991,908,564.08/89,046.76
  6. Step 6: Final answer
    x = 67,289.46

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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.