Home / 90,750.18-136,131.75-24,189.96

Finding the Fourth Proportional to 90,750.18, 136,131.75 and 24,189.96

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Solution

The fourth proportional to 90,750.18, 136,131.75 and 24,189.96 is: 36,286.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,750.18 : 136,131.75 = 24,189.96 : x
  2. Step 2: Convert to fraction form
    90,750.18/136,131.75 = 24,189.96/x
  3. Step 3: Cross multiply
    90,750.18x = 136,131.75 × 24,189.96
  4. Step 4: Simplify right side
    90,750.18x = 3,293,021,587.23
  5. Step 5: Solve for x
    x = 3,293,021,587.23/90,750.18
  6. Step 6: Final answer
    x = 36,286.67

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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.