Home / 92,057.64-127,028.39-51,212.12

Finding the Fourth Proportional to 92,057.64, 127,028.39 and 51,212.12

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Solution

The fourth proportional to 92,057.64, 127,028.39 and 51,212.12 is: 70,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,057.64 : 127,028.39 = 51,212.12 : x
  2. Step 2: Convert to fraction form
    92,057.64/127,028.39 = 51,212.12/x
  3. Step 3: Cross multiply
    92,057.64x = 127,028.39 × 51,212.12
  4. Step 4: Simplify right side
    92,057.64x = 6,505,392,578.46
  5. Step 5: Solve for x
    x = 6,505,392,578.46/92,057.64
  6. Step 6: Final answer
    x = 70,666.51

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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.