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Finding the Fourth Proportional to 76,394.61, 114,593.37 and 26,476.32

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Solution

The fourth proportional to 76,394.61, 114,593.37 and 26,476.32 is: 39,714.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,394.61 : 114,593.37 = 26,476.32 : x
  2. Step 2: Convert to fraction form
    76,394.61/114,593.37 = 26,476.32/x
  3. Step 3: Cross multiply
    76,394.61x = 114,593.37 × 26,476.32
  4. Step 4: Simplify right side
    76,394.61x = 3,034,010,734.00
  5. Step 5: Solve for x
    x = 3,034,010,734.00/76,394.61
  6. Step 6: Final answer
    x = 39,714.98

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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.