Home / 54,285.93-81,521.38-35,342.83

Finding the Fourth Proportional to 54,285.93, 81,521.38 and 35,342.83

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Solution

The fourth proportional to 54,285.93, 81,521.38 and 35,342.83 is: 53,074.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,285.93 : 81,521.38 = 35,342.83 : x
  2. Step 2: Convert to fraction form
    54,285.93/81,521.38 = 35,342.83/x
  3. Step 3: Cross multiply
    54,285.93x = 81,521.38 × 35,342.83
  4. Step 4: Simplify right side
    54,285.93x = 2,881,195,867.10
  5. Step 5: Solve for x
    x = 2,881,195,867.10/54,285.93
  6. Step 6: Final answer
    x = 53,074.45

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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.