Home / 88,418.37-122,017.36-48,132.43

Finding the Fourth Proportional to 88,418.37, 122,017.36 and 48,132.43

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Solution

The fourth proportional to 88,418.37, 122,017.36 and 48,132.43 is: 66,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,418.37 : 122,017.36 = 48,132.43 : x
  2. Step 2: Convert to fraction form
    88,418.37/122,017.36 = 48,132.43/x
  3. Step 3: Cross multiply
    88,418.37x = 122,017.36 × 48,132.43
  4. Step 4: Simplify right side
    88,418.37x = 5,872,992,038.98
  5. Step 5: Solve for x
    x = 5,872,992,038.98/88,418.37
  6. Step 6: Final answer
    x = 66,422.76

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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.