Home / 82,818.18-124,161.46-36,038.25

Finding the Fourth Proportional to 82,818.18, 124,161.46 and 36,038.25

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Solution

The fourth proportional to 82,818.18, 124,161.46 and 36,038.25 is: 54,028.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,818.18 : 124,161.46 = 36,038.25 : x
  2. Step 2: Convert to fraction form
    82,818.18/124,161.46 = 36,038.25/x
  3. Step 3: Cross multiply
    82,818.18x = 124,161.46 × 36,038.25
  4. Step 4: Simplify right side
    82,818.18x = 4,474,561,645.75
  5. Step 5: Solve for x
    x = 4,474,561,645.75/82,818.18
  6. Step 6: Final answer
    x = 54,028.74

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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.