Home / 52,529.36-78,697.04-40,640.99

Finding the Fourth Proportional to 52,529.36, 78,697.04 and 40,640.99

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Solution

The fourth proportional to 52,529.36, 78,697.04 and 40,640.99 is: 60,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,529.36 : 78,697.04 = 40,640.99 : x
  2. Step 2: Convert to fraction form
    52,529.36/78,697.04 = 40,640.99/x
  3. Step 3: Cross multiply
    52,529.36x = 78,697.04 × 40,640.99
  4. Step 4: Simplify right side
    52,529.36x = 3,198,325,018.98
  5. Step 5: Solve for x
    x = 3,198,325,018.98/52,529.36
  6. Step 6: Final answer
    x = 60,886.43

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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.