Home / 78,900.06-108,867.66-44,906.54

Finding the Fourth Proportional to 78,900.06, 108,867.66 and 44,906.54

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Solution

The fourth proportional to 78,900.06, 108,867.66 and 44,906.54 is: 61,962.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,900.06 : 108,867.66 = 44,906.54 : x
  2. Step 2: Convert to fraction form
    78,900.06/108,867.66 = 44,906.54/x
  3. Step 3: Cross multiply
    78,900.06x = 108,867.66 × 44,906.54
  4. Step 4: Simplify right side
    78,900.06x = 4,888,869,928.50
  5. Step 5: Solve for x
    x = 4,888,869,928.50/78,900.06
  6. Step 6: Final answer
    x = 61,962.82

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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.