Home / 88,418.08-122,013.22-48,131.01

Finding the Fourth Proportional to 88,418.08, 122,013.22 and 48,131.01

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Solution

The fourth proportional to 88,418.08, 122,013.22 and 48,131.01 is: 66,418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,418.08 : 122,013.22 = 48,131.01 : x
  2. Step 2: Convert to fraction form
    88,418.08/122,013.22 = 48,131.01/x
  3. Step 3: Cross multiply
    88,418.08x = 122,013.22 × 48,131.01
  4. Step 4: Simplify right side
    88,418.08x = 5,872,618,661.23
  5. Step 5: Solve for x
    x = 5,872,618,661.23/88,418.08
  6. Step 6: Final answer
    x = 66,418.76

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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.