Home / 60,517.76-90,776.68-18,968

Finding the Fourth Proportional to 60,517.76, 90,776.68 and 18,968

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Solution

The fourth proportional to 60,517.76, 90,776.68 and 18,968 is: 28,452.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,517.76 : 90,776.68 = 18,968 : x
  2. Step 2: Convert to fraction form
    60,517.76/90,776.68 = 18,968/x
  3. Step 3: Cross multiply
    60,517.76x = 90,776.68 × 18,968
  4. Step 4: Simplify right side
    60,517.76x = 1,721,852,066.24
  5. Step 5: Solve for x
    x = 1,721,852,066.24/60,517.76
  6. Step 6: Final answer
    x = 28,452.01

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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.