Home / 88,455.24-132,620.29-28,465.12

Finding the Fourth Proportional to 88,455.24, 132,620.29 and 28,465.12

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Solution

The fourth proportional to 88,455.24, 132,620.29 and 28,465.12 is: 42,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,455.24 : 132,620.29 = 28,465.12 : x
  2. Step 2: Convert to fraction form
    88,455.24/132,620.29 = 28,465.12/x
  3. Step 3: Cross multiply
    88,455.24x = 132,620.29 × 28,465.12
  4. Step 4: Simplify right side
    88,455.24x = 3,775,052,563.90
  5. Step 5: Solve for x
    x = 3,775,052,563.90/88,455.24
  6. Step 6: Final answer
    x = 42,677.55

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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.