Home / 89,154.56-133,600.61-39,188.90

Finding the Fourth Proportional to 89,154.56, 133,600.61 and 39,188.90

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Solution

The fourth proportional to 89,154.56, 133,600.61 and 39,188.90 is: 58,725.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,154.56 : 133,600.61 = 39,188.90 : x
  2. Step 2: Convert to fraction form
    89,154.56/133,600.61 = 39,188.90/x
  3. Step 3: Cross multiply
    89,154.56x = 133,600.61 × 39,188.90
  4. Step 4: Simplify right side
    89,154.56x = 5,235,660,081.28
  5. Step 5: Solve for x
    x = 5,235,660,081.28/89,154.56
  6. Step 6: Final answer
    x = 58,725.66

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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.