Home / 66,777.08-92,152.36-36,564.29

Finding the Fourth Proportional to 66,777.08, 92,152.36 and 36,564.29

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Solution

The fourth proportional to 66,777.08, 92,152.36 and 36,564.29 is: 50,458.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,777.08 : 92,152.36 = 36,564.29 : x
  2. Step 2: Convert to fraction form
    66,777.08/92,152.36 = 36,564.29/x
  3. Step 3: Cross multiply
    66,777.08x = 92,152.36 × 36,564.29
  4. Step 4: Simplify right side
    66,777.08x = 3,369,485,183.72
  5. Step 5: Solve for x
    x = 3,369,485,183.72/66,777.08
  6. Step 6: Final answer
    x = 50,458.71

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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.