Home / 88,629.78-122,354.24-68,441.34

Finding the Fourth Proportional to 88,629.78, 122,354.24 and 68,441.34

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Solution

The fourth proportional to 88,629.78, 122,354.24 and 68,441.34 is: 94,483.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,629.78 : 122,354.24 = 68,441.34 : x
  2. Step 2: Convert to fraction form
    88,629.78/122,354.24 = 68,441.34/x
  3. Step 3: Cross multiply
    88,629.78x = 122,354.24 × 68,441.34
  4. Step 4: Simplify right side
    88,629.78x = 8,374,087,798.07
  5. Step 5: Solve for x
    x = 8,374,087,798.07/88,629.78
  6. Step 6: Final answer
    x = 94,483.91

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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.