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Finding the Fourth Proportional to 76,796.91, 105,977.91 and 44,537.29

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Solution

The fourth proportional to 76,796.91, 105,977.91 and 44,537.29 is: 61,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,796.91 : 105,977.91 = 44,537.29 : x
  2. Step 2: Convert to fraction form
    76,796.91/105,977.91 = 44,537.29/x
  3. Step 3: Cross multiply
    76,796.91x = 105,977.91 × 44,537.29
  4. Step 4: Simplify right side
    76,796.91x = 4,719,968,911.26
  5. Step 5: Solve for x
    x = 4,719,968,911.26/76,796.91
  6. Step 6: Final answer
    x = 61,460.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.