Home / 76,845.76-115,282.60-37,402.96

Finding the Fourth Proportional to 76,845.76, 115,282.60 and 37,402.96

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Solution

The fourth proportional to 76,845.76, 115,282.60 and 37,402.96 is: 56,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,845.76 : 115,282.60 = 37,402.96 : x
  2. Step 2: Convert to fraction form
    76,845.76/115,282.60 = 37,402.96/x
  3. Step 3: Cross multiply
    76,845.76x = 115,282.60 × 37,402.96
  4. Step 4: Simplify right side
    76,845.76x = 4,311,910,476.50
  5. Step 5: Solve for x
    x = 4,311,910,476.50/76,845.76
  6. Step 6: Final answer
    x = 56,111.23

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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.