Home / 99,787.74-149,574.48-49,769.02

Finding the Fourth Proportional to 99,787.74, 149,574.48 and 49,769.02

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Solution

The fourth proportional to 99,787.74, 149,574.48 and 49,769.02 is: 74,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,787.74 : 149,574.48 = 49,769.02 : x
  2. Step 2: Convert to fraction form
    99,787.74/149,574.48 = 49,769.02/x
  3. Step 3: Cross multiply
    99,787.74x = 149,574.48 × 49,769.02
  4. Step 4: Simplify right side
    99,787.74x = 7,444,175,286.61
  5. Step 5: Solve for x
    x = 7,444,175,286.61/99,787.74
  6. Step 6: Final answer
    x = 74,600.10

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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.