Home / 60,093.28-90,116.88-20,643.04

Finding the Fourth Proportional to 60,093.28, 90,116.88 and 20,643.04

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Solution

The fourth proportional to 60,093.28, 90,116.88 and 20,643.04 is: 30,956.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,093.28 : 90,116.88 = 20,643.04 : x
  2. Step 2: Convert to fraction form
    60,093.28/90,116.88 = 20,643.04/x
  3. Step 3: Cross multiply
    60,093.28x = 90,116.88 × 20,643.04
  4. Step 4: Simplify right side
    60,093.28x = 1,860,286,358.52
  5. Step 5: Solve for x
    x = 1,860,286,358.52/60,093.28
  6. Step 6: Final answer
    x = 30,956.65

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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.