Home / 89,190.30-133,785.45-36,572.70

Finding the Fourth Proportional to 89,190.30, 133,785.45 and 36,572.70

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Solution

The fourth proportional to 89,190.30, 133,785.45 and 36,572.70 is: 54,859.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,190.30 : 133,785.45 = 36,572.70 : x
  2. Step 2: Convert to fraction form
    89,190.30/133,785.45 = 36,572.70/x
  3. Step 3: Cross multiply
    89,190.30x = 133,785.45 × 36,572.70
  4. Step 4: Simplify right side
    89,190.30x = 4,892,895,127.22
  5. Step 5: Solve for x
    x = 4,892,895,127.22/89,190.30
  6. Step 6: Final answer
    x = 54,859.05

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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.