Home / 57,532.14-86,318.91-20,097.72

Finding the Fourth Proportional to 57,532.14, 86,318.91 and 20,097.72

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Solution

The fourth proportional to 57,532.14, 86,318.91 and 20,097.72 is: 30,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,532.14 : 86,318.91 = 20,097.72 : x
  2. Step 2: Convert to fraction form
    57,532.14/86,318.91 = 20,097.72/x
  3. Step 3: Cross multiply
    57,532.14x = 86,318.91 × 20,097.72
  4. Step 4: Simplify right side
    57,532.14x = 1,734,813,283.89
  5. Step 5: Solve for x
    x = 1,734,813,283.89/57,532.14
  6. Step 6: Final answer
    x = 30,153.81

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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.