Home / 78,817.01-108,769.86-44,830.38

Finding the Fourth Proportional to 78,817.01, 108,769.86 and 44,830.38

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Solution

The fourth proportional to 78,817.01, 108,769.86 and 44,830.38 is: 61,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,817.01 : 108,769.86 = 44,830.38 : x
  2. Step 2: Convert to fraction form
    78,817.01/108,769.86 = 44,830.38/x
  3. Step 3: Cross multiply
    78,817.01x = 108,769.86 × 44,830.38
  4. Step 4: Simplify right side
    78,817.01x = 4,876,194,564.23
  5. Step 5: Solve for x
    x = 4,876,194,564.23/78,817.01
  6. Step 6: Final answer
    x = 61,867.29

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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.