Home / 62,639.69-93,975.47-20,522.62

Finding the Fourth Proportional to 62,639.69, 93,975.47 and 20,522.62

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Solution

The fourth proportional to 62,639.69, 93,975.47 and 20,522.62 is: 30,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,639.69 : 93,975.47 = 20,522.62 : x
  2. Step 2: Convert to fraction form
    62,639.69/93,975.47 = 20,522.62/x
  3. Step 3: Cross multiply
    62,639.69x = 93,975.47 × 20,522.62
  4. Step 4: Simplify right side
    62,639.69x = 1,928,623,067.39
  5. Step 5: Solve for x
    x = 1,928,623,067.39/62,639.69
  6. Step 6: Final answer
    x = 30,789.16

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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.