Home / 54,318.42-81,483.28-14,875.54

Finding the Fourth Proportional to 54,318.42, 81,483.28 and 14,875.54

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Solution

The fourth proportional to 54,318.42, 81,483.28 and 14,875.54 is: 22,314.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,318.42 : 81,483.28 = 14,875.54 : x
  2. Step 2: Convert to fraction form
    54,318.42/81,483.28 = 14,875.54/x
  3. Step 3: Cross multiply
    54,318.42x = 81,483.28 × 14,875.54
  4. Step 4: Simplify right side
    54,318.42x = 1,212,107,790.97
  5. Step 5: Solve for x
    x = 1,212,107,790.97/54,318.42
  6. Step 6: Final answer
    x = 22,314.86

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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.