Home / 64,624.14-89,183.38-39,135.26

Finding the Fourth Proportional to 64,624.14, 89,183.38 and 39,135.26

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Solution

The fourth proportional to 64,624.14, 89,183.38 and 39,135.26 is: 54,007.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,624.14 : 89,183.38 = 39,135.26 : x
  2. Step 2: Convert to fraction form
    64,624.14/89,183.38 = 39,135.26/x
  3. Step 3: Cross multiply
    64,624.14x = 89,183.38 × 39,135.26
  4. Step 4: Simplify right side
    64,624.14x = 3,490,214,763.98
  5. Step 5: Solve for x
    x = 3,490,214,763.98/64,624.14
  6. Step 6: Final answer
    x = 54,007.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.