Home / 90,763.29-125,152.38-62,087.67

Finding the Fourth Proportional to 90,763.29, 125,152.38 and 62,087.67

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Solution

The fourth proportional to 90,763.29, 125,152.38 and 62,087.67 is: 85,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,763.29 : 125,152.38 = 62,087.67 : x
  2. Step 2: Convert to fraction form
    90,763.29/125,152.38 = 62,087.67/x
  3. Step 3: Cross multiply
    90,763.29x = 125,152.38 × 62,087.67
  4. Step 4: Simplify right side
    90,763.29x = 7,770,419,669.15
  5. Step 5: Solve for x
    x = 7,770,419,669.15/90,763.29
  6. Step 6: Final answer
    x = 85,611.92

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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.