Home / 74,765.83-112,093.39-45,176.75

Finding the Fourth Proportional to 74,765.83, 112,093.39 and 45,176.75

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Solution

The fourth proportional to 74,765.83, 112,093.39 and 45,176.75 is: 67,731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,765.83 : 112,093.39 = 45,176.75 : x
  2. Step 2: Convert to fraction form
    74,765.83/112,093.39 = 45,176.75/x
  3. Step 3: Cross multiply
    74,765.83x = 112,093.39 × 45,176.75
  4. Step 4: Simplify right side
    74,765.83x = 5,064,014,270.33
  5. Step 5: Solve for x
    x = 5,064,014,270.33/74,765.83
  6. Step 6: Final answer
    x = 67,731.67

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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.