Home / 88,083.18-121,555.11-47,796.94

Finding the Fourth Proportional to 88,083.18, 121,555.11 and 47,796.94

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Solution

The fourth proportional to 88,083.18, 121,555.11 and 47,796.94 is: 65,959.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,083.18 : 121,555.11 = 47,796.94 : x
  2. Step 2: Convert to fraction form
    88,083.18/121,555.11 = 47,796.94/x
  3. Step 3: Cross multiply
    88,083.18x = 121,555.11 × 47,796.94
  4. Step 4: Simplify right side
    88,083.18x = 5,809,962,388.34
  5. Step 5: Solve for x
    x = 5,809,962,388.34/88,083.18
  6. Step 6: Final answer
    x = 65,959.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.