Home / 88,129.28-132,174.48-25,804.64

Finding the Fourth Proportional to 88,129.28, 132,174.48 and 25,804.64

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Solution

The fourth proportional to 88,129.28, 132,174.48 and 25,804.64 is: 38,701.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,129.28 : 132,174.48 = 25,804.64 : x
  2. Step 2: Convert to fraction form
    88,129.28/132,174.48 = 25,804.64/x
  3. Step 3: Cross multiply
    88,129.28x = 132,174.48 × 25,804.64
  4. Step 4: Simplify right side
    88,129.28x = 3,410,714,873.59
  5. Step 5: Solve for x
    x = 3,410,714,873.59/88,129.28
  6. Step 6: Final answer
    x = 38,701.27

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1.5x scale

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.