Home / 70,529.06-105,789.84-23,137.91

Finding the Fourth Proportional to 70,529.06, 105,789.84 and 23,137.91

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Solution

The fourth proportional to 70,529.06, 105,789.84 and 23,137.91 is: 34,705.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,529.06 : 105,789.84 = 23,137.91 : x
  2. Step 2: Convert to fraction form
    70,529.06/105,789.84 = 23,137.91/x
  3. Step 3: Cross multiply
    70,529.06x = 105,789.84 × 23,137.91
  4. Step 4: Simplify right side
    70,529.06x = 2,447,755,267.89
  5. Step 5: Solve for x
    x = 2,447,755,267.89/70,529.06
  6. Step 6: Final answer
    x = 34,705.63

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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.