Home / 99,315.80-148,975.32-24,436.16

Finding the Fourth Proportional to 99,315.80, 148,975.32 and 24,436.16

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Solution

The fourth proportional to 99,315.80, 148,975.32 and 24,436.16 is: 36,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,315.80 : 148,975.32 = 24,436.16 : x
  2. Step 2: Convert to fraction form
    99,315.80/148,975.32 = 24,436.16/x
  3. Step 3: Cross multiply
    99,315.80x = 148,975.32 × 24,436.16
  4. Step 4: Simplify right side
    99,315.80x = 3,640,384,755.57
  5. Step 5: Solve for x
    x = 3,640,384,755.57/99,315.80
  6. Step 6: Final answer
    x = 36,654.64

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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.