Home / 56,945.87-85,418.81-16,965.45

Finding the Fourth Proportional to 56,945.87, 85,418.81 and 16,965.45

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Solution

The fourth proportional to 56,945.87, 85,418.81 and 16,965.45 is: 25,448.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,945.87 : 85,418.81 = 16,965.45 : x
  2. Step 2: Convert to fraction form
    56,945.87/85,418.81 = 16,965.45/x
  3. Step 3: Cross multiply
    56,945.87x = 85,418.81 × 16,965.45
  4. Step 4: Simplify right side
    56,945.87x = 1,449,168,465.29
  5. Step 5: Solve for x
    x = 1,449,168,465.29/56,945.87
  6. Step 6: Final answer
    x = 25,448.18

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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.