Home / 78,010.32-117,027-22,599.12

Finding the Fourth Proportional to 78,010.32, 117,027 and 22,599.12

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Solution

The fourth proportional to 78,010.32, 117,027 and 22,599.12 is: 33,902.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,010.32 : 117,027 = 22,599.12 : x
  2. Step 2: Convert to fraction form
    78,010.32/117,027 = 22,599.12/x
  3. Step 3: Cross multiply
    78,010.32x = 117,027 × 22,599.12
  4. Step 4: Simplify right side
    78,010.32x = 2,644,707,216.24
  5. Step 5: Solve for x
    x = 2,644,707,216.24/78,010.32
  6. Step 6: Final answer
    x = 33,902.02

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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.