Home / 78,905.36-108,884.98-44,922.12

Finding the Fourth Proportional to 78,905.36, 108,884.98 and 44,922.12

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Solution

The fourth proportional to 78,905.36, 108,884.98 and 44,922.12 is: 61,990.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,905.36 : 108,884.98 = 44,922.12 : x
  2. Step 2: Convert to fraction form
    78,905.36/108,884.98 = 44,922.12/x
  3. Step 3: Cross multiply
    78,905.36x = 108,884.98 × 44,922.12
  4. Step 4: Simplify right side
    78,905.36x = 4,891,344,137.76
  5. Step 5: Solve for x
    x = 4,891,344,137.76/78,905.36
  6. Step 6: Final answer
    x = 61,990.01

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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.