Home / 88,409.09-121,983.35-52,112.00

Finding the Fourth Proportional to 88,409.09, 121,983.35 and 52,112.00

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Solution

The fourth proportional to 88,409.09, 121,983.35 and 52,112.00 is: 71,902.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,409.09 : 121,983.35 = 52,112.00 : x
  2. Step 2: Convert to fraction form
    88,409.09/121,983.35 = 52,112.00/x
  3. Step 3: Cross multiply
    88,409.09x = 121,983.35 × 52,112.00
  4. Step 4: Simplify right side
    88,409.09x = 6,356,795,464.72
  5. Step 5: Solve for x
    x = 6,356,795,464.72/88,409.09
  6. Step 6: Final answer
    x = 71,902.06

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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.