Home / 81,849.35-112,935.17-51,599.09

Finding the Fourth Proportional to 81,849.35, 112,935.17 and 51,599.09

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Solution

The fourth proportional to 81,849.35, 112,935.17 and 51,599.09 is: 71,196.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,849.35 : 112,935.17 = 51,599.09 : x
  2. Step 2: Convert to fraction form
    81,849.35/112,935.17 = 51,599.09/x
  3. Step 3: Cross multiply
    81,849.35x = 112,935.17 × 51,599.09
  4. Step 4: Simplify right side
    81,849.35x = 5,827,351,178.32
  5. Step 5: Solve for x
    x = 5,827,351,178.32/81,849.35
  6. Step 6: Final answer
    x = 71,196.06

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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.