Home / 99,801.18-149,732.42-59,864.45

Finding the Fourth Proportional to 99,801.18, 149,732.42 and 59,864.45

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Solution

The fourth proportional to 99,801.18, 149,732.42 and 59,864.45 is: 89,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,801.18 : 149,732.42 = 59,864.45 : x
  2. Step 2: Convert to fraction form
    99,801.18/149,732.42 = 59,864.45/x
  3. Step 3: Cross multiply
    99,801.18x = 149,732.42 × 59,864.45
  4. Step 4: Simplify right side
    99,801.18x = 8,963,647,922.48
  5. Step 5: Solve for x
    x = 8,963,647,922.48/99,801.18
  6. Step 6: Final answer
    x = 89,815.05

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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.