Home / 62,070.75-93,120.71-20,517.75

Finding the Fourth Proportional to 62,070.75, 93,120.71 and 20,517.75

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Solution

The fourth proportional to 62,070.75, 93,120.71 and 20,517.75 is: 30,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,070.75 : 93,120.71 = 20,517.75 : x
  2. Step 2: Convert to fraction form
    62,070.75/93,120.71 = 20,517.75/x
  3. Step 3: Cross multiply
    62,070.75x = 93,120.71 × 20,517.75
  4. Step 4: Simplify right side
    62,070.75x = 1,910,627,345.01
  5. Step 5: Solve for x
    x = 1,910,627,345.01/62,070.75
  6. Step 6: Final answer
    x = 30,781.44

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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.