Home / 83,593.23-125,389.41-20,413.71

Finding the Fourth Proportional to 83,593.23, 125,389.41 and 20,413.71

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Solution

The fourth proportional to 83,593.23, 125,389.41 and 20,413.71 is: 30,620.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,593.23 : 125,389.41 = 20,413.71 : x
  2. Step 2: Convert to fraction form
    83,593.23/125,389.41 = 20,413.71/x
  3. Step 3: Cross multiply
    83,593.23x = 125,389.41 × 20,413.71
  4. Step 4: Simplify right side
    83,593.23x = 2,559,663,052.81
  5. Step 5: Solve for x
    x = 2,559,663,052.81/83,593.23
  6. Step 6: Final answer
    x = 30,620.46

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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.