Home / 92,997.36-128,336.54-50,555.79

Finding the Fourth Proportional to 92,997.36, 128,336.54 and 50,555.79

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Solution

The fourth proportional to 92,997.36, 128,336.54 and 50,555.79 is: 69,767.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,997.36 : 128,336.54 = 50,555.79 : x
  2. Step 2: Convert to fraction form
    92,997.36/128,336.54 = 50,555.79/x
  3. Step 3: Cross multiply
    92,997.36x = 128,336.54 × 50,555.79
  4. Step 4: Simplify right side
    92,997.36x = 6,488,154,912.79
  5. Step 5: Solve for x
    x = 6,488,154,912.79/92,997.36
  6. Step 6: Final answer
    x = 69,767.09

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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.