Home / 66,278.87-99,345.99-32,568.08

Finding the Fourth Proportional to 66,278.87, 99,345.99 and 32,568.08

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Solution

The fourth proportional to 66,278.87, 99,345.99 and 32,568.08 is: 48,816.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,278.87 : 99,345.99 = 32,568.08 : x
  2. Step 2: Convert to fraction form
    66,278.87/99,345.99 = 32,568.08/x
  3. Step 3: Cross multiply
    66,278.87x = 99,345.99 × 32,568.08
  4. Step 4: Simplify right side
    66,278.87x = 3,235,508,398.36
  5. Step 5: Solve for x
    x = 3,235,508,398.36/66,278.87
  6. Step 6: Final answer
    x = 48,816.59

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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.