Home / 54,603.20-81,710.40-37,884.80

Finding the Fourth Proportional to 54,603.20, 81,710.40 and 37,884.80

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Solution

The fourth proportional to 54,603.20, 81,710.40 and 37,884.80 is: 56,692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,603.20 : 81,710.40 = 37,884.80 : x
  2. Step 2: Convert to fraction form
    54,603.20/81,710.40 = 37,884.80/x
  3. Step 3: Cross multiply
    54,603.20x = 81,710.40 × 37,884.80
  4. Step 4: Simplify right side
    54,603.20x = 3,095,582,161.92
  5. Step 5: Solve for x
    x = 3,095,582,161.92/54,603.20
  6. Step 6: Final answer
    x = 56,692.32

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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.