Home / 89,942.40-124,027.20-58,060.80

Finding the Fourth Proportional to 89,942.40, 124,027.20 and 58,060.80

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Solution

The fourth proportional to 89,942.40, 124,027.20 and 58,060.80 is: 80,063.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,942.40 : 124,027.20 = 58,060.80 : x
  2. Step 2: Convert to fraction form
    89,942.40/124,027.20 = 58,060.80/x
  3. Step 3: Cross multiply
    89,942.40x = 124,027.20 × 58,060.80
  4. Step 4: Simplify right side
    89,942.40x = 7,201,118,453.76
  5. Step 5: Solve for x
    x = 7,201,118,453.76/89,942.40
  6. Step 6: Final answer
    x = 80,063.67

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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.