Home / 88,668.80-122,358.62-48,380.16

Finding the Fourth Proportional to 88,668.80, 122,358.62 and 48,380.16

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Solution

The fourth proportional to 88,668.80, 122,358.62 and 48,380.16 is: 66,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,668.80 : 122,358.62 = 48,380.16 : x
  2. Step 2: Convert to fraction form
    88,668.80/122,358.62 = 48,380.16/x
  3. Step 3: Cross multiply
    88,668.80x = 122,358.62 × 48,380.16
  4. Step 4: Simplify right side
    88,668.80x = 5,919,729,612.98
  5. Step 5: Solve for x
    x = 5,919,729,612.98/88,668.80
  6. Step 6: Final answer
    x = 66,762.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.