Home / 78,592.06-117,889.32-43,753.14

Finding the Fourth Proportional to 78,592.06, 117,889.32 and 43,753.14

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Solution

The fourth proportional to 78,592.06, 117,889.32 and 43,753.14 is: 65,630.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,592.06 : 117,889.32 = 43,753.14 : x
  2. Step 2: Convert to fraction form
    78,592.06/117,889.32 = 43,753.14/x
  3. Step 3: Cross multiply
    78,592.06x = 117,889.32 × 43,753.14
  4. Step 4: Simplify right side
    78,592.06x = 5,158,027,922.46
  5. Step 5: Solve for x
    x = 5,158,027,922.46/78,592.06
  6. Step 6: Final answer
    x = 65,630.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.