Home / 88,570.24-132,716.96-55,669.12

Finding the Fourth Proportional to 88,570.24, 132,716.96 and 55,669.12

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Solution

The fourth proportional to 88,570.24, 132,716.96 and 55,669.12 is: 83,416.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,570.24 : 132,716.96 = 55,669.12 : x
  2. Step 2: Convert to fraction form
    88,570.24/132,716.96 = 55,669.12/x
  3. Step 3: Cross multiply
    88,570.24x = 132,716.96 × 55,669.12
  4. Step 4: Simplify right side
    88,570.24x = 7,388,236,372.28
  5. Step 5: Solve for x
    x = 7,388,236,372.28/88,570.24
  6. Step 6: Final answer
    x = 83,416.69

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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.