Home / 78,593.06-117,823.45-34,186.36

Finding the Fourth Proportional to 78,593.06, 117,823.45 and 34,186.36

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Solution

The fourth proportional to 78,593.06, 117,823.45 and 34,186.36 is: 51,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,593.06 : 117,823.45 = 34,186.36 : x
  2. Step 2: Convert to fraction form
    78,593.06/117,823.45 = 34,186.36/x
  3. Step 3: Cross multiply
    78,593.06x = 117,823.45 × 34,186.36
  4. Step 4: Simplify right side
    78,593.06x = 4,027,954,878.14
  5. Step 5: Solve for x
    x = 4,027,954,878.14/78,593.06
  6. Step 6: Final answer
    x = 51,250.77

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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.