Home / 88,078.24-132,131.14-28,900.45

Finding the Fourth Proportional to 88,078.24, 132,131.14 and 28,900.45

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Solution

The fourth proportional to 88,078.24, 132,131.14 and 28,900.45 is: 43,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,078.24 : 132,131.14 = 28,900.45 : x
  2. Step 2: Convert to fraction form
    88,078.24/132,131.14 = 28,900.45/x
  3. Step 3: Cross multiply
    88,078.24x = 132,131.14 × 28,900.45
  4. Step 4: Simplify right side
    88,078.24x = 3,818,649,405.01
  5. Step 5: Solve for x
    x = 3,818,649,405.01/88,078.24
  6. Step 6: Final answer
    x = 43,355.20

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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.