Home / 54,712.15-82,035.36-21,392.52

Finding the Fourth Proportional to 54,712.15, 82,035.36 and 21,392.52

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Solution

The fourth proportional to 54,712.15, 82,035.36 and 21,392.52 is: 32,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,712.15 : 82,035.36 = 21,392.52 : x
  2. Step 2: Convert to fraction form
    54,712.15/82,035.36 = 21,392.52/x
  3. Step 3: Cross multiply
    54,712.15x = 82,035.36 × 21,392.52
  4. Step 4: Simplify right side
    54,712.15x = 1,754,942,771.87
  5. Step 5: Solve for x
    x = 1,754,942,771.87/54,712.15
  6. Step 6: Final answer
    x = 32,075.93

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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.