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Finding the Fourth Proportional to 76,833.78, 115,264.62 and 37,390.92

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Solution

The fourth proportional to 76,833.78, 115,264.62 and 37,390.92 is: 56,093.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,833.78 : 115,264.62 = 37,390.92 : x
  2. Step 2: Convert to fraction form
    76,833.78/115,264.62 = 37,390.92/x
  3. Step 3: Cross multiply
    76,833.78x = 115,264.62 × 37,390.92
  4. Step 4: Simplify right side
    76,833.78x = 4,309,850,185.25
  5. Step 5: Solve for x
    x = 4,309,850,185.25/76,833.78
  6. Step 6: Final answer
    x = 56,093.17

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1.5x scale

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.