Home / 89,820.20-134,734.26-29,850.68

Finding the Fourth Proportional to 89,820.20, 134,734.26 and 29,850.68

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Solution

The fourth proportional to 89,820.20, 134,734.26 and 29,850.68 is: 44,777.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,820.20 : 134,734.26 = 29,850.68 : x
  2. Step 2: Convert to fraction form
    89,820.20/134,734.26 = 29,850.68/x
  3. Step 3: Cross multiply
    89,820.20x = 134,734.26 × 29,850.68
  4. Step 4: Simplify right side
    89,820.20x = 4,021,909,280.30
  5. Step 5: Solve for x
    x = 4,021,909,280.30/89,820.20
  6. Step 6: Final answer
    x = 44,777.34

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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.