Home / 77,186.61-115,778.66-24,595.38

Finding the Fourth Proportional to 77,186.61, 115,778.66 and 24,595.38

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Solution

The fourth proportional to 77,186.61, 115,778.66 and 24,595.38 is: 36,892.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,186.61 : 115,778.66 = 24,595.38 : x
  2. Step 2: Convert to fraction form
    77,186.61/115,778.66 = 24,595.38/x
  3. Step 3: Cross multiply
    77,186.61x = 115,778.66 × 24,595.38
  4. Step 4: Simplify right side
    77,186.61x = 2,847,620,015.61
  5. Step 5: Solve for x
    x = 2,847,620,015.61/77,186.61
  6. Step 6: Final answer
    x = 36,892.67

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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.