Home / 88,055.32-132,078.12-64,387.12

Finding the Fourth Proportional to 88,055.32, 132,078.12 and 64,387.12

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Solution

The fourth proportional to 88,055.32, 132,078.12 and 64,387.12 is: 96,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,055.32 : 132,078.12 = 64,387.12 : x
  2. Step 2: Convert to fraction form
    88,055.32/132,078.12 = 64,387.12/x
  3. Step 3: Cross multiply
    88,055.32x = 132,078.12 × 64,387.12
  4. Step 4: Simplify right side
    88,055.32x = 8,504,129,761.81
  5. Step 5: Solve for x
    x = 8,504,129,761.81/88,055.32
  6. Step 6: Final answer
    x = 96,577.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.