Home / 71,678.10-107,504.55-27,307.52

Finding the Fourth Proportional to 71,678.10, 107,504.55 and 27,307.52

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Solution

The fourth proportional to 71,678.10, 107,504.55 and 27,307.52 is: 40,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,678.10 : 107,504.55 = 27,307.52 : x
  2. Step 2: Convert to fraction form
    71,678.10/107,504.55 = 27,307.52/x
  3. Step 3: Cross multiply
    71,678.10x = 107,504.55 × 27,307.52
  4. Step 4: Simplify right side
    71,678.10x = 2,935,682,111.69
  5. Step 5: Solve for x
    x = 2,935,682,111.69/71,678.10
  6. Step 6: Final answer
    x = 40,956.47

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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.