Home / 92,939.22-128,257.29-50,498.46

Finding the Fourth Proportional to 92,939.22, 128,257.29 and 50,498.46

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Solution

The fourth proportional to 92,939.22, 128,257.29 and 50,498.46 is: 69,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,939.22 : 128,257.29 = 50,498.46 : x
  2. Step 2: Convert to fraction form
    92,939.22/128,257.29 = 50,498.46/x
  3. Step 3: Cross multiply
    92,939.22x = 128,257.29 × 50,498.46
  4. Step 4: Simplify right side
    92,939.22x = 6,476,795,628.77
  5. Step 5: Solve for x
    x = 6,476,795,628.77/92,939.22
  6. Step 6: Final answer
    x = 69,688.51

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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.