Home / 82,821.68-124,166.70-36,041.75

Finding the Fourth Proportional to 82,821.68, 124,166.70 and 36,041.75

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Solution

The fourth proportional to 82,821.68, 124,166.70 and 36,041.75 is: 54,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,821.68 : 124,166.70 = 36,041.75 : x
  2. Step 2: Convert to fraction form
    82,821.68/124,166.70 = 36,041.75/x
  3. Step 3: Cross multiply
    82,821.68x = 124,166.70 × 36,041.75
  4. Step 4: Simplify right side
    82,821.68x = 4,475,185,159.73
  5. Step 5: Solve for x
    x = 4,475,185,159.73/82,821.68
  6. Step 6: Final answer
    x = 54,033.98

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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.