Home / 92,899.72-128,202.78-50,458.96

Finding the Fourth Proportional to 92,899.72, 128,202.78 and 50,458.96

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Solution

The fourth proportional to 92,899.72, 128,202.78 and 50,458.96 is: 69,634.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,899.72 : 128,202.78 = 50,458.96 : x
  2. Step 2: Convert to fraction form
    92,899.72/128,202.78 = 50,458.96/x
  3. Step 3: Cross multiply
    92,899.72x = 128,202.78 × 50,458.96
  4. Step 4: Simplify right side
    92,899.72x = 6,468,978,947.91
  5. Step 5: Solve for x
    x = 6,468,978,947.91/92,899.72
  6. Step 6: Final answer
    x = 69,634.00

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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.