Home / 89,025.70-133,322.55-47,380.90

Finding the Fourth Proportional to 89,025.70, 133,322.55 and 47,380.90

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Solution

The fourth proportional to 89,025.70, 133,322.55 and 47,380.90 is: 70,956.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,025.70 : 133,322.55 = 47,380.90 : x
  2. Step 2: Convert to fraction form
    89,025.70/133,322.55 = 47,380.90/x
  3. Step 3: Cross multiply
    89,025.70x = 133,322.55 × 47,380.90
  4. Step 4: Simplify right side
    89,025.70x = 6,316,942,409.30
  5. Step 5: Solve for x
    x = 6,316,942,409.30/89,025.70
  6. Step 6: Final answer
    x = 70,956.39

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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.