Home / 89,209.20-133,700.40-36,559.20

Finding the Fourth Proportional to 89,209.20, 133,700.40 and 36,559.20

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Solution

The fourth proportional to 89,209.20, 133,700.40 and 36,559.20 is: 54,792.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,209.20 : 133,700.40 = 36,559.20 : x
  2. Step 2: Convert to fraction form
    89,209.20/133,700.40 = 36,559.20/x
  3. Step 3: Cross multiply
    89,209.20x = 133,700.40 × 36,559.20
  4. Step 4: Simplify right side
    89,209.20x = 4,887,979,663.68
  5. Step 5: Solve for x
    x = 4,887,979,663.68/89,209.20
  6. Step 6: Final answer
    x = 54,792.33

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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.