Home / 51,983.98-78,010.57-28,297.49

Finding the Fourth Proportional to 51,983.98, 78,010.57 and 28,297.49

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Solution

The fourth proportional to 51,983.98, 78,010.57 and 28,297.49 is: 42,465.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,983.98 : 78,010.57 = 28,297.49 : x
  2. Step 2: Convert to fraction form
    51,983.98/78,010.57 = 28,297.49/x
  3. Step 3: Cross multiply
    51,983.98x = 78,010.57 × 28,297.49
  4. Step 4: Simplify right side
    51,983.98x = 2,207,503,548.42
  5. Step 5: Solve for x
    x = 2,207,503,548.42/51,983.98
  6. Step 6: Final answer
    x = 42,465.08

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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.