Home / 89,012.10-133,604.55-44,688.90

Finding the Fourth Proportional to 89,012.10, 133,604.55 and 44,688.90

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Solution

The fourth proportional to 89,012.10, 133,604.55 and 44,688.90 is: 67,076.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,012.10 : 133,604.55 = 44,688.90 : x
  2. Step 2: Convert to fraction form
    89,012.10/133,604.55 = 44,688.90/x
  3. Step 3: Cross multiply
    89,012.10x = 133,604.55 × 44,688.90
  4. Step 4: Simplify right side
    89,012.10x = 5,970,640,374.50
  5. Step 5: Solve for x
    x = 5,970,640,374.50/89,012.10
  6. Step 6: Final answer
    x = 67,076.73

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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.