Home / 60,638.22-90,789.39-30,992.22

Finding the Fourth Proportional to 60,638.22, 90,789.39 and 30,992.22

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Solution

The fourth proportional to 60,638.22, 90,789.39 and 30,992.22 is: 46,402.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,638.22 : 90,789.39 = 30,992.22 : x
  2. Step 2: Convert to fraction form
    60,638.22/90,789.39 = 30,992.22/x
  3. Step 3: Cross multiply
    60,638.22x = 90,789.39 × 30,992.22
  4. Step 4: Simplify right side
    60,638.22x = 2,813,764,748.55
  5. Step 5: Solve for x
    x = 2,813,764,748.55/60,638.22
  6. Step 6: Final answer
    x = 46,402.50

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1.5x scale

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.