Home / 77,317.25-115,998.35-32,359.82

Finding the Fourth Proportional to 77,317.25, 115,998.35 and 32,359.82

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Solution

The fourth proportional to 77,317.25, 115,998.35 and 32,359.82 is: 48,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,317.25 : 115,998.35 = 32,359.82 : x
  2. Step 2: Convert to fraction form
    77,317.25/115,998.35 = 32,359.82/x
  3. Step 3: Cross multiply
    77,317.25x = 115,998.35 × 32,359.82
  4. Step 4: Simplify right side
    77,317.25x = 3,753,684,984.51
  5. Step 5: Solve for x
    x = 3,753,684,984.51/77,317.25
  6. Step 6: Final answer
    x = 48,549.13

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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.