Home / 88,643.46-132,990.21-36,090.66

Finding the Fourth Proportional to 88,643.46, 132,990.21 and 36,090.66

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Solution

The fourth proportional to 88,643.46, 132,990.21 and 36,090.66 is: 54,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,643.46 : 132,990.21 = 36,090.66 : x
  2. Step 2: Convert to fraction form
    88,643.46/132,990.21 = 36,090.66/x
  3. Step 3: Cross multiply
    88,643.46x = 132,990.21 × 36,090.66
  4. Step 4: Simplify right side
    88,643.46x = 4,799,704,452.44
  5. Step 5: Solve for x
    x = 4,799,704,452.44/88,643.46
  6. Step 6: Final answer
    x = 54,146.18

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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.