Home / 91,710.45-137,554.92-25,157.31

Finding the Fourth Proportional to 91,710.45, 137,554.92 and 25,157.31

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Solution

The fourth proportional to 91,710.45, 137,554.92 and 25,157.31 is: 37,733.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,710.45 : 137,554.92 = 25,157.31 : x
  2. Step 2: Convert to fraction form
    91,710.45/137,554.92 = 25,157.31/x
  3. Step 3: Cross multiply
    91,710.45x = 137,554.92 × 25,157.31
  4. Step 4: Simplify right side
    91,710.45x = 3,460,511,764.47
  5. Step 5: Solve for x
    x = 3,460,511,764.47/91,710.45
  6. Step 6: Final answer
    x = 37,733.01

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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.