Home / 55,134.52-76,084.86-29,983.48

Finding the Fourth Proportional to 55,134.52, 76,084.86 and 29,983.48

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Solution

The fourth proportional to 55,134.52, 76,084.86 and 29,983.48 is: 41,376.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,134.52 : 76,084.86 = 29,983.48 : x
  2. Step 2: Convert to fraction form
    55,134.52/76,084.86 = 29,983.48/x
  3. Step 3: Cross multiply
    55,134.52x = 76,084.86 × 29,983.48
  4. Step 4: Simplify right side
    55,134.52x = 2,281,288,878.11
  5. Step 5: Solve for x
    x = 2,281,288,878.11/55,134.52
  6. Step 6: Final answer
    x = 41,376.78

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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.