Home / 88,422.08-122,018.72-48,135

Finding the Fourth Proportional to 88,422.08, 122,018.72 and 48,135

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Solution

The fourth proportional to 88,422.08, 122,018.72 and 48,135 is: 66,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,422.08 : 122,018.72 = 48,135 : x
  2. Step 2: Convert to fraction form
    88,422.08/122,018.72 = 48,135/x
  3. Step 3: Cross multiply
    88,422.08x = 122,018.72 × 48,135
  4. Step 4: Simplify right side
    88,422.08x = 5,873,371,087.20
  5. Step 5: Solve for x
    x = 5,873,371,087.20/88,422.08
  6. Step 6: Final answer
    x = 66,424.26

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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.