Home / 60,635.76-90,966.96-18,519.36

Finding the Fourth Proportional to 60,635.76, 90,966.96 and 18,519.36

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Solution

The fourth proportional to 60,635.76, 90,966.96 and 18,519.36 is: 27,783.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,635.76 : 90,966.96 = 18,519.36 : x
  2. Step 2: Convert to fraction form
    60,635.76/90,966.96 = 18,519.36/x
  3. Step 3: Cross multiply
    60,635.76x = 90,966.96 × 18,519.36
  4. Step 4: Simplify right side
    60,635.76x = 1,684,649,880.35
  5. Step 5: Solve for x
    x = 1,684,649,880.35/60,635.76
  6. Step 6: Final answer
    x = 27,783.11

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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.