Home / 91,529.88-137,189.40-35,345.23

Finding the Fourth Proportional to 91,529.88, 137,189.40 and 35,345.23

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Solution

The fourth proportional to 91,529.88, 137,189.40 and 35,345.23 is: 52,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,529.88 : 137,189.40 = 35,345.23 : x
  2. Step 2: Convert to fraction form
    91,529.88/137,189.40 = 35,345.23/x
  3. Step 3: Cross multiply
    91,529.88x = 137,189.40 × 35,345.23
  4. Step 4: Simplify right side
    91,529.88x = 4,848,990,896.56
  5. Step 5: Solve for x
    x = 4,848,990,896.56/91,529.88
  6. Step 6: Final answer
    x = 52,977.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.