Home / 78,008.32-117,024-22,597.12

Finding the Fourth Proportional to 78,008.32, 117,024 and 22,597.12

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Solution

The fourth proportional to 78,008.32, 117,024 and 22,597.12 is: 33,899.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,008.32 : 117,024 = 22,597.12 : x
  2. Step 2: Convert to fraction form
    78,008.32/117,024 = 22,597.12/x
  3. Step 3: Cross multiply
    78,008.32x = 117,024 × 22,597.12
  4. Step 4: Simplify right side
    78,008.32x = 2,644,405,370.88
  5. Step 5: Solve for x
    x = 2,644,405,370.88/78,008.32
  6. Step 6: Final answer
    x = 33,899.02

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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.