Home / 82,755.12-124,057.41-30,152.64

Finding the Fourth Proportional to 82,755.12, 124,057.41 and 30,152.64

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Solution

The fourth proportional to 82,755.12, 124,057.41 and 30,152.64 is: 45,201.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,755.12 : 124,057.41 = 30,152.64 : x
  2. Step 2: Convert to fraction form
    82,755.12/124,057.41 = 30,152.64/x
  3. Step 3: Cross multiply
    82,755.12x = 124,057.41 × 30,152.64
  4. Step 4: Simplify right side
    82,755.12x = 3,740,658,423.06
  5. Step 5: Solve for x
    x = 3,740,658,423.06/82,755.12
  6. Step 6: Final answer
    x = 45,201.53

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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.