Home / 81,966.66-122,691.99-56,517.27

Finding the Fourth Proportional to 81,966.66, 122,691.99 and 56,517.27

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Solution

The fourth proportional to 81,966.66, 122,691.99 and 56,517.27 is: 84,598.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,966.66 : 122,691.99 = 56,517.27 : x
  2. Step 2: Convert to fraction form
    81,966.66/122,691.99 = 56,517.27/x
  3. Step 3: Cross multiply
    81,966.66x = 122,691.99 × 56,517.27
  4. Step 4: Simplify right side
    81,966.66x = 6,934,216,325.67
  5. Step 5: Solve for x
    x = 6,934,216,325.67/81,966.66
  6. Step 6: Final answer
    x = 84,598.01

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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.