Home / 62,139.20-93,201.60-17,772.80

Finding the Fourth Proportional to 62,139.20, 93,201.60 and 17,772.80

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Solution

The fourth proportional to 62,139.20, 93,201.60 and 17,772.80 is: 26,657.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,139.20 : 93,201.60 = 17,772.80 : x
  2. Step 2: Convert to fraction form
    62,139.20/93,201.60 = 17,772.80/x
  3. Step 3: Cross multiply
    62,139.20x = 93,201.60 × 17,772.80
  4. Step 4: Simplify right side
    62,139.20x = 1,656,453,396.48
  5. Step 5: Solve for x
    x = 1,656,453,396.48/62,139.20
  6. Step 6: Final answer
    x = 26,657.14

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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.