Home / 55,097.10-76,044.54-31,224.78

Finding the Fourth Proportional to 55,097.10, 76,044.54 and 31,224.78

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Solution

The fourth proportional to 55,097.10, 76,044.54 and 31,224.78 is: 43,096.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,097.10 : 76,044.54 = 31,224.78 : x
  2. Step 2: Convert to fraction form
    55,097.10/76,044.54 = 31,224.78/x
  3. Step 3: Cross multiply
    55,097.10x = 76,044.54 × 31,224.78
  4. Step 4: Simplify right side
    55,097.10x = 2,374,474,031.70
  5. Step 5: Solve for x
    x = 2,374,474,031.70/55,097.10
  6. Step 6: Final answer
    x = 43,096.17

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1.5x scale

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.