Home / 54,722.84-81,688.55-48,079.83

Finding the Fourth Proportional to 54,722.84, 81,688.55 and 48,079.83

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Solution

The fourth proportional to 54,722.84, 81,688.55 and 48,079.83 is: 71,772.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,722.84 : 81,688.55 = 48,079.83 : x
  2. Step 2: Convert to fraction form
    54,722.84/81,688.55 = 48,079.83/x
  3. Step 3: Cross multiply
    54,722.84x = 81,688.55 × 48,079.83
  4. Step 4: Simplify right side
    54,722.84x = 3,927,571,473.83
  5. Step 5: Solve for x
    x = 3,927,571,473.83/54,722.84
  6. Step 6: Final answer
    x = 71,772.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.