Home / 92,807.91-128,077.38-50,366.43

Finding the Fourth Proportional to 92,807.91, 128,077.38 and 50,366.43

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Solution

The fourth proportional to 92,807.91, 128,077.38 and 50,366.43 is: 69,507.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,807.91 : 128,077.38 = 50,366.43 : x
  2. Step 2: Convert to fraction form
    92,807.91/128,077.38 = 50,366.43/x
  3. Step 3: Cross multiply
    92,807.91x = 128,077.38 × 50,366.43
  4. Step 4: Simplify right side
    92,807.91x = 6,450,800,394.35
  5. Step 5: Solve for x
    x = 6,450,800,394.35/92,807.91
  6. Step 6: Final answer
    x = 69,507.01

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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.