Home / 77,420.06-116,102.19-26,805.34

Finding the Fourth Proportional to 77,420.06, 116,102.19 and 26,805.34

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Solution

The fourth proportional to 77,420.06, 116,102.19 and 26,805.34 is: 40,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,420.06 : 116,102.19 = 26,805.34 : x
  2. Step 2: Convert to fraction form
    77,420.06/116,102.19 = 26,805.34/x
  3. Step 3: Cross multiply
    77,420.06x = 116,102.19 × 26,805.34
  4. Step 4: Simplify right side
    77,420.06x = 3,112,158,677.69
  5. Step 5: Solve for x
    x = 3,112,158,677.69/77,420.06
  6. Step 6: Final answer
    x = 40,198.35

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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.