Home / 81,467.54-112,404.08-49,176.63

Finding the Fourth Proportional to 81,467.54, 112,404.08 and 49,176.63

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Solution

The fourth proportional to 81,467.54, 112,404.08 and 49,176.63 is: 67,851.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,467.54 : 112,404.08 = 49,176.63 : x
  2. Step 2: Convert to fraction form
    81,467.54/112,404.08 = 49,176.63/x
  3. Step 3: Cross multiply
    81,467.54x = 112,404.08 × 49,176.63
  4. Step 4: Simplify right side
    81,467.54x = 5,527,653,975.59
  5. Step 5: Solve for x
    x = 5,527,653,975.59/81,467.54
  6. Step 6: Final answer
    x = 67,851.00

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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.