Home / 55,096.62-76,031.78-31,230.99

Finding the Fourth Proportional to 55,096.62, 76,031.78 and 31,230.99

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Solution

The fourth proportional to 55,096.62, 76,031.78 and 31,230.99 is: 43,097.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,096.62 : 76,031.78 = 31,230.99 : x
  2. Step 2: Convert to fraction form
    55,096.62/76,031.78 = 31,230.99/x
  3. Step 3: Cross multiply
    55,096.62x = 76,031.78 × 31,230.99
  4. Step 4: Simplify right side
    55,096.62x = 2,374,547,604.71
  5. Step 5: Solve for x
    x = 2,374,547,604.71/55,096.62
  6. Step 6: Final answer
    x = 43,097.88

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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.