Home / 47,775.54-71,653.74-45,404.49

Finding the Fourth Proportional to 47,775.54, 71,653.74 and 45,404.49

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Solution

The fourth proportional to 47,775.54, 71,653.74 and 45,404.49 is: 68,097.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,775.54 : 71,653.74 = 45,404.49 : x
  2. Step 2: Convert to fraction form
    47,775.54/71,653.74 = 45,404.49/x
  3. Step 3: Cross multiply
    47,775.54x = 71,653.74 × 45,404.49
  4. Step 4: Simplify right side
    47,775.54x = 3,253,401,521.29
  5. Step 5: Solve for x
    x = 3,253,401,521.29/47,775.54
  6. Step 6: Final answer
    x = 68,097.64

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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.