Home / 91,741.23-137,627.23-28,546.50

Finding the Fourth Proportional to 91,741.23, 137,627.23 and 28,546.50

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Solution

The fourth proportional to 91,741.23, 137,627.23 and 28,546.50 is: 42,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,741.23 : 137,627.23 = 28,546.50 : x
  2. Step 2: Convert to fraction form
    91,741.23/137,627.23 = 28,546.50/x
  3. Step 3: Cross multiply
    91,741.23x = 137,627.23 × 28,546.50
  4. Step 4: Simplify right side
    91,741.23x = 3,928,775,752.09
  5. Step 5: Solve for x
    x = 3,928,775,752.09/91,741.23
  6. Step 6: Final answer
    x = 42,824.54

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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.