Home / 117,771.57-162,516.77-64,055.44

Finding the Fourth Proportional to 117,771.57, 162,516.77 and 64,055.44

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Solution

The fourth proportional to 117,771.57, 162,516.77 and 64,055.44 is: 88,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,771.57 : 162,516.77 = 64,055.44 : x
  2. Step 2: Convert to fraction form
    117,771.57/162,516.77 = 64,055.44/x
  3. Step 3: Cross multiply
    117,771.57x = 162,516.77 × 64,055.44
  4. Step 4: Simplify right side
    117,771.57x = 10,410,082,397.14
  5. Step 5: Solve for x
    x = 10,410,082,397.14/117,771.57
  6. Step 6: Final answer
    x = 88,392.15

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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.