Home / 78,133.22-117,203.06-22,729.22

Finding the Fourth Proportional to 78,133.22, 117,203.06 and 22,729.22

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Solution

The fourth proportional to 78,133.22, 117,203.06 and 22,729.22 is: 34,094.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,133.22 : 117,203.06 = 22,729.22 : x
  2. Step 2: Convert to fraction form
    78,133.22/117,203.06 = 22,729.22/x
  3. Step 3: Cross multiply
    78,133.22x = 117,203.06 × 22,729.22
  4. Step 4: Simplify right side
    78,133.22x = 2,663,933,606.22
  5. Step 5: Solve for x
    x = 2,663,933,606.22/78,133.22
  6. Step 6: Final answer
    x = 34,094.77

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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.