Home / 76,227.84-105,179.40-47,917.08

Finding the Fourth Proportional to 76,227.84, 105,179.40 and 47,917.08

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Solution

The fourth proportional to 76,227.84, 105,179.40 and 47,917.08 is: 66,116.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,227.84 : 105,179.40 = 47,917.08 : x
  2. Step 2: Convert to fraction form
    76,227.84/105,179.40 = 47,917.08/x
  3. Step 3: Cross multiply
    76,227.84x = 105,179.40 × 47,917.08
  4. Step 4: Simplify right side
    76,227.84x = 5,039,889,724.15
  5. Step 5: Solve for x
    x = 5,039,889,724.15/76,227.84
  6. Step 6: Final answer
    x = 66,116.13

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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.