Home / 99,966.15-149,958.62-36,787.48

Finding the Fourth Proportional to 99,966.15, 149,958.62 and 36,787.48

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Solution

The fourth proportional to 99,966.15, 149,958.62 and 36,787.48 is: 55,184.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,966.15 : 149,958.62 = 36,787.48 : x
  2. Step 2: Convert to fraction form
    99,966.15/149,958.62 = 36,787.48/x
  3. Step 3: Cross multiply
    99,966.15x = 149,958.62 × 36,787.48
  4. Step 4: Simplify right side
    99,966.15x = 5,516,600,363.64
  5. Step 5: Solve for x
    x = 5,516,600,363.64/99,966.15
  6. Step 6: Final answer
    x = 55,184.68

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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.