Home / 78,899.06-108,866.28-44,905.54

Finding the Fourth Proportional to 78,899.06, 108,866.28 and 44,905.54

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Solution

The fourth proportional to 78,899.06, 108,866.28 and 44,905.54 is: 61,961.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,899.06 : 108,866.28 = 44,905.54 : x
  2. Step 2: Convert to fraction form
    78,899.06/108,866.28 = 44,905.54/x
  3. Step 3: Cross multiply
    78,899.06x = 108,866.28 × 44,905.54
  4. Step 4: Simplify right side
    78,899.06x = 4,888,698,938.95
  5. Step 5: Solve for x
    x = 4,888,698,938.95/78,899.06
  6. Step 6: Final answer
    x = 61,961.43

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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.