Home / 88,362.06-121,940.18-48,076.12

Finding the Fourth Proportional to 88,362.06, 121,940.18 and 48,076.12

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Solution

The fourth proportional to 88,362.06, 121,940.18 and 48,076.12 is: 66,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,362.06 : 121,940.18 = 48,076.12 : x
  2. Step 2: Convert to fraction form
    88,362.06/121,940.18 = 48,076.12/x
  3. Step 3: Cross multiply
    88,362.06x = 121,940.18 × 48,076.12
  4. Step 4: Simplify right side
    88,362.06x = 5,862,409,997.70
  5. Step 5: Solve for x
    x = 5,862,409,997.70/88,362.06
  6. Step 6: Final answer
    x = 66,345.33

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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.