Home / 92,977.06-128,309.19-50,535.69

Finding the Fourth Proportional to 92,977.06, 128,309.19 and 50,535.69

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Solution

The fourth proportional to 92,977.06, 128,309.19 and 50,535.69 is: 69,739.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,977.06 : 128,309.19 = 50,535.69 : x
  2. Step 2: Convert to fraction form
    92,977.06/128,309.19 = 50,535.69/x
  3. Step 3: Cross multiply
    92,977.06x = 128,309.19 × 50,535.69
  4. Step 4: Simplify right side
    92,977.06x = 6,484,193,197.31
  5. Step 5: Solve for x
    x = 6,484,193,197.31/92,977.06
  6. Step 6: Final answer
    x = 69,739.71

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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.