Home / 60,020.74-90,035.49-20,577.52

Finding the Fourth Proportional to 60,020.74, 90,035.49 and 20,577.52

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Solution

The fourth proportional to 60,020.74, 90,035.49 and 20,577.52 is: 30,867.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,020.74 : 90,035.49 = 20,577.52 : x
  2. Step 2: Convert to fraction form
    60,020.74/90,035.49 = 20,577.52/x
  3. Step 3: Cross multiply
    60,020.74x = 90,035.49 × 20,577.52
  4. Step 4: Simplify right side
    60,020.74x = 1,852,707,096.18
  5. Step 5: Solve for x
    x = 1,852,707,096.18/60,020.74
  6. Step 6: Final answer
    x = 30,867.78

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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.