Home / 52,017.20-77,893.80-28,617.20

Finding the Fourth Proportional to 52,017.20, 77,893.80 and 28,617.20

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Solution

The fourth proportional to 52,017.20, 77,893.80 and 28,617.20 is: 42,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,017.20 : 77,893.80 = 28,617.20 : x
  2. Step 2: Convert to fraction form
    52,017.20/77,893.80 = 28,617.20/x
  3. Step 3: Cross multiply
    52,017.20x = 77,893.80 × 28,617.20
  4. Step 4: Simplify right side
    52,017.20x = 2,229,102,453.36
  5. Step 5: Solve for x
    x = 2,229,102,453.36/52,017.20
  6. Step 6: Final answer
    x = 42,853.18

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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.