Home / 88,629.04-122,309.53-48,342.80

Finding the Fourth Proportional to 88,629.04, 122,309.53 and 48,342.80

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Solution

The fourth proportional to 88,629.04, 122,309.53 and 48,342.80 is: 66,713.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,629.04 : 122,309.53 = 48,342.80 : x
  2. Step 2: Convert to fraction form
    88,629.04/122,309.53 = 48,342.80/x
  3. Step 3: Cross multiply
    88,629.04x = 122,309.53 × 48,342.80
  4. Step 4: Simplify right side
    88,629.04x = 5,912,785,146.88
  5. Step 5: Solve for x
    x = 5,912,785,146.88/88,629.04
  6. Step 6: Final answer
    x = 66,713.86

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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.