Home / 51,756.18-77,578.90-26,771.07

Finding the Fourth Proportional to 51,756.18, 77,578.90 and 26,771.07

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Solution

The fourth proportional to 51,756.18, 77,578.90 and 26,771.07 is: 40,127.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,756.18 : 77,578.90 = 26,771.07 : x
  2. Step 2: Convert to fraction form
    51,756.18/77,578.90 = 26,771.07/x
  3. Step 3: Cross multiply
    51,756.18x = 77,578.90 × 26,771.07
  4. Step 4: Simplify right side
    51,756.18x = 2,076,870,028.57
  5. Step 5: Solve for x
    x = 2,076,870,028.57/51,756.18
  6. Step 6: Final answer
    x = 40,127.97

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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.