Home / 55,134-76,086.14-29,983.50

Finding the Fourth Proportional to 55,134, 76,086.14 and 29,983.50

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Solution

The fourth proportional to 55,134, 76,086.14 and 29,983.50 is: 41,377.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,134 : 76,086.14 = 29,983.50 : x
  2. Step 2: Convert to fraction form
    55,134/76,086.14 = 29,983.50/x
  3. Step 3: Cross multiply
    55,134x = 76,086.14 × 29,983.50
  4. Step 4: Simplify right side
    55,134x = 2,281,328,628.77
  5. Step 5: Solve for x
    x = 2,281,328,628.77/55,134
  6. Step 6: Final answer
    x = 41,377.89

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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.