Home / 92,825.78-128,099.70-50,384.33

Finding the Fourth Proportional to 92,825.78, 128,099.70 and 50,384.33

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Solution

The fourth proportional to 92,825.78, 128,099.70 and 50,384.33 is: 69,530.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,825.78 : 128,099.70 = 50,384.33 : x
  2. Step 2: Convert to fraction form
    92,825.78/128,099.70 = 50,384.33/x
  3. Step 3: Cross multiply
    92,825.78x = 128,099.70 × 50,384.33
  4. Step 4: Simplify right side
    92,825.78x = 6,454,217,557.70
  5. Step 5: Solve for x
    x = 6,454,217,557.70/92,825.78
  6. Step 6: Final answer
    x = 69,530.44

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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.