Home / 90,376.00-135,645.31-48,292.05

Finding the Fourth Proportional to 90,376.00, 135,645.31 and 48,292.05

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Solution

The fourth proportional to 90,376.00, 135,645.31 and 48,292.05 is: 72,481.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,376.00 : 135,645.31 = 48,292.05 : x
  2. Step 2: Convert to fraction form
    90,376.00/135,645.31 = 48,292.05/x
  3. Step 3: Cross multiply
    90,376.00x = 135,645.31 × 48,292.05
  4. Step 4: Simplify right side
    90,376.00x = 6,550,590,661.82
  5. Step 5: Solve for x
    x = 6,550,590,661.82/90,376.00
  6. Step 6: Final answer
    x = 72,481.53

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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.