Home / 60,209.96-90,328.14-20,227.49

Finding the Fourth Proportional to 60,209.96, 90,328.14 and 20,227.49

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Solution

The fourth proportional to 60,209.96, 90,328.14 and 20,227.49 is: 30,345.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,209.96 : 90,328.14 = 20,227.49 : x
  2. Step 2: Convert to fraction form
    60,209.96/90,328.14 = 20,227.49/x
  3. Step 3: Cross multiply
    60,209.96x = 90,328.14 × 20,227.49
  4. Step 4: Simplify right side
    60,209.96x = 1,827,111,096.93
  5. Step 5: Solve for x
    x = 1,827,111,096.93/60,209.96
  6. Step 6: Final answer
    x = 30,345.66

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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.