Home / 91,198.20-125,858.38-53,475.32

Finding the Fourth Proportional to 91,198.20, 125,858.38 and 53,475.32

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Solution

The fourth proportional to 91,198.20, 125,858.38 and 53,475.32 is: 73,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,198.20 : 125,858.38 = 53,475.32 : x
  2. Step 2: Convert to fraction form
    91,198.20/125,858.38 = 53,475.32/x
  3. Step 3: Cross multiply
    91,198.20x = 125,858.38 × 53,475.32
  4. Step 4: Simplify right side
    91,198.20x = 6,730,317,145.18
  5. Step 5: Solve for x
    x = 6,730,317,145.18/91,198.20
  6. Step 6: Final answer
    x = 73,798.79

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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.