Home / 89,125.20-133,763.40-36,572.40

Finding the Fourth Proportional to 89,125.20, 133,763.40 and 36,572.40

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Solution

The fourth proportional to 89,125.20, 133,763.40 and 36,572.40 is: 54,889.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,125.20 : 133,763.40 = 36,572.40 : x
  2. Step 2: Convert to fraction form
    89,125.20/133,763.40 = 36,572.40/x
  3. Step 3: Cross multiply
    89,125.20x = 133,763.40 × 36,572.40
  4. Step 4: Simplify right side
    89,125.20x = 4,892,048,570.16
  5. Step 5: Solve for x
    x = 4,892,048,570.16/89,125.20
  6. Step 6: Final answer
    x = 54,889.62

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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.