Home / 62,812.20-94,218.30-55,813.80

Finding the Fourth Proportional to 62,812.20, 94,218.30 and 55,813.80

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Solution

The fourth proportional to 62,812.20, 94,218.30 and 55,813.80 is: 83,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,812.20 : 94,218.30 = 55,813.80 : x
  2. Step 2: Convert to fraction form
    62,812.20/94,218.30 = 55,813.80/x
  3. Step 3: Cross multiply
    62,812.20x = 94,218.30 × 55,813.80
  4. Step 4: Simplify right side
    62,812.20x = 5,258,681,352.54
  5. Step 5: Solve for x
    x = 5,258,681,352.54/62,812.20
  6. Step 6: Final answer
    x = 83,720.70

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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.