Home / 99,097.84-148,628.19-45,787.60

Finding the Fourth Proportional to 99,097.84, 148,628.19 and 45,787.60

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Solution

The fourth proportional to 99,097.84, 148,628.19 and 45,787.60 is: 68,672.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,097.84 : 148,628.19 = 45,787.60 : x
  2. Step 2: Convert to fraction form
    99,097.84/148,628.19 = 45,787.60/x
  3. Step 3: Cross multiply
    99,097.84x = 148,628.19 × 45,787.60
  4. Step 4: Simplify right side
    99,097.84x = 6,805,328,112.44
  5. Step 5: Solve for x
    x = 6,805,328,112.44/99,097.84
  6. Step 6: Final answer
    x = 68,672.82

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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.