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Finding the Fourth Proportional to 76,604.44, 114,883.29 and 61,575.91

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Solution

The fourth proportional to 76,604.44, 114,883.29 and 61,575.91 is: 92,345.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,604.44 : 114,883.29 = 61,575.91 : x
  2. Step 2: Convert to fraction form
    76,604.44/114,883.29 = 61,575.91/x
  3. Step 3: Cross multiply
    76,604.44x = 114,883.29 × 61,575.91
  4. Step 4: Simplify right side
    76,604.44x = 7,074,043,069.25
  5. Step 5: Solve for x
    x = 7,074,043,069.25/76,604.44
  6. Step 6: Final answer
    x = 92,345.08

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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.