Home / 77,074.12-106,360.05-43,082.67

Finding the Fourth Proportional to 77,074.12, 106,360.05 and 43,082.67

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Solution

The fourth proportional to 77,074.12, 106,360.05 and 43,082.67 is: 59,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,074.12 : 106,360.05 = 43,082.67 : x
  2. Step 2: Convert to fraction form
    77,074.12/106,360.05 = 43,082.67/x
  3. Step 3: Cross multiply
    77,074.12x = 106,360.05 × 43,082.67
  4. Step 4: Simplify right side
    77,074.12x = 4,582,274,935.33
  5. Step 5: Solve for x
    x = 4,582,274,935.33/77,074.12
  6. Step 6: Final answer
    x = 59,452.83

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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.