Home / 77,181.87-106,516.70-43,193.76

Finding the Fourth Proportional to 77,181.87, 106,516.70 and 43,193.76

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Solution

The fourth proportional to 77,181.87, 106,516.70 and 43,193.76 is: 59,610.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,181.87 : 106,516.70 = 43,193.76 : x
  2. Step 2: Convert to fraction form
    77,181.87/106,516.70 = 43,193.76/x
  3. Step 3: Cross multiply
    77,181.87x = 106,516.70 × 43,193.76
  4. Step 4: Simplify right side
    77,181.87x = 4,600,856,775.79
  5. Step 5: Solve for x
    x = 4,600,856,775.79/77,181.87
  6. Step 6: Final answer
    x = 59,610.59

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1.5x scale

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.