Home / 51,981.48-77,596.18-45,675.80

Finding the Fourth Proportional to 51,981.48, 77,596.18 and 45,675.80

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Solution

The fourth proportional to 51,981.48, 77,596.18 and 45,675.80 is: 68,183.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981.48 : 77,596.18 = 45,675.80 : x
  2. Step 2: Convert to fraction form
    51,981.48/77,596.18 = 45,675.80/x
  3. Step 3: Cross multiply
    51,981.48x = 77,596.18 × 45,675.80
  4. Step 4: Simplify right side
    51,981.48x = 3,544,267,598.44
  5. Step 5: Solve for x
    x = 3,544,267,598.44/51,981.48
  6. Step 6: Final answer
    x = 68,183.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.