Home / 77,313.25-115,992.35-32,355.82

Finding the Fourth Proportional to 77,313.25, 115,992.35 and 32,355.82

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Solution

The fourth proportional to 77,313.25, 115,992.35 and 32,355.82 is: 48,543.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,313.25 : 115,992.35 = 32,355.82 : x
  2. Step 2: Convert to fraction form
    77,313.25/115,992.35 = 32,355.82/x
  3. Step 3: Cross multiply
    77,313.25x = 115,992.35 × 32,355.82
  4. Step 4: Simplify right side
    77,313.25x = 3,753,026,856.24
  5. Step 5: Solve for x
    x = 3,753,026,856.24/77,313.25
  6. Step 6: Final answer
    x = 48,543.13

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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.