Home / 88,984.80-133,438.32-26,640.72

Finding the Fourth Proportional to 88,984.80, 133,438.32 and 26,640.72

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Solution

The fourth proportional to 88,984.80, 133,438.32 and 26,640.72 is: 39,949.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,984.80 : 133,438.32 = 26,640.72 : x
  2. Step 2: Convert to fraction form
    88,984.80/133,438.32 = 26,640.72/x
  3. Step 3: Cross multiply
    88,984.80x = 133,438.32 × 26,640.72
  4. Step 4: Simplify right side
    88,984.80x = 3,554,892,920.39
  5. Step 5: Solve for x
    x = 3,554,892,920.39/88,984.80
  6. Step 6: Final answer
    x = 39,949.44

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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.