Home / 76,908.51-115,370.97-32,539.74

Finding the Fourth Proportional to 76,908.51, 115,370.97 and 32,539.74

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Solution

The fourth proportional to 76,908.51, 115,370.97 and 32,539.74 is: 48,813.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,908.51 : 115,370.97 = 32,539.74 : x
  2. Step 2: Convert to fraction form
    76,908.51/115,370.97 = 32,539.74/x
  3. Step 3: Cross multiply
    76,908.51x = 115,370.97 × 32,539.74
  4. Step 4: Simplify right side
    76,908.51x = 3,754,141,367.35
  5. Step 5: Solve for x
    x = 3,754,141,367.35/76,908.51
  6. Step 6: Final answer
    x = 48,813.08

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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.