Home / 66,577.43-91,876.38-36,362.77

Finding the Fourth Proportional to 66,577.43, 91,876.38 and 36,362.77

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Solution

The fourth proportional to 66,577.43, 91,876.38 and 36,362.77 is: 50,180.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,577.43 : 91,876.38 = 36,362.77 : x
  2. Step 2: Convert to fraction form
    66,577.43/91,876.38 = 36,362.77/x
  3. Step 3: Cross multiply
    66,577.43x = 91,876.38 × 36,362.77
  4. Step 4: Simplify right side
    66,577.43x = 3,340,879,674.37
  5. Step 5: Solve for x
    x = 3,340,879,674.37/66,577.43
  6. Step 6: Final answer
    x = 50,180.36

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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.