Home / 50,520.51-75,694.50-28,320.03

Finding the Fourth Proportional to 50,520.51, 75,694.50 and 28,320.03

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Solution

The fourth proportional to 50,520.51, 75,694.50 and 28,320.03 is: 42,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,520.51 : 75,694.50 = 28,320.03 : x
  2. Step 2: Convert to fraction form
    50,520.51/75,694.50 = 28,320.03/x
  3. Step 3: Cross multiply
    50,520.51x = 75,694.50 × 28,320.03
  4. Step 4: Simplify right side
    50,520.51x = 2,143,670,510.84
  5. Step 5: Solve for x
    x = 2,143,670,510.84/50,520.51
  6. Step 6: Final answer
    x = 42,431.69

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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.