Home / 62,214.20-93,321.30-20,661.20

Finding the Fourth Proportional to 62,214.20, 93,321.30 and 20,661.20

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Solution

The fourth proportional to 62,214.20, 93,321.30 and 20,661.20 is: 30,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,214.20 : 93,321.30 = 20,661.20 : x
  2. Step 2: Convert to fraction form
    62,214.20/93,321.30 = 20,661.20/x
  3. Step 3: Cross multiply
    62,214.20x = 93,321.30 × 20,661.20
  4. Step 4: Simplify right side
    62,214.20x = 1,928,130,043.56
  5. Step 5: Solve for x
    x = 1,928,130,043.56/62,214.20
  6. Step 6: Final answer
    x = 30,991.80

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1.5x scale

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.