Home / 68,941.60-95,148.36-42,078.52

Finding the Fourth Proportional to 68,941.60, 95,148.36 and 42,078.52

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Solution

The fourth proportional to 68,941.60, 95,148.36 and 42,078.52 is: 58,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,941.60 : 95,148.36 = 42,078.52 : x
  2. Step 2: Convert to fraction form
    68,941.60/95,148.36 = 42,078.52/x
  3. Step 3: Cross multiply
    68,941.60x = 95,148.36 × 42,078.52
  4. Step 4: Simplify right side
    68,941.60x = 4,003,702,169.23
  5. Step 5: Solve for x
    x = 4,003,702,169.23/68,941.60
  6. Step 6: Final answer
    x = 58,073.82

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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.