Home / 55,324.19-83,019.09-51,821.57

Finding the Fourth Proportional to 55,324.19, 83,019.09 and 51,821.57

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Solution

The fourth proportional to 55,324.19, 83,019.09 and 51,821.57 is: 77,763.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,324.19 : 83,019.09 = 51,821.57 : x
  2. Step 2: Convert to fraction form
    55,324.19/83,019.09 = 51,821.57/x
  3. Step 3: Cross multiply
    55,324.19x = 83,019.09 × 51,821.57
  4. Step 4: Simplify right side
    55,324.19x = 4,302,179,583.77
  5. Step 5: Solve for x
    x = 4,302,179,583.77/55,324.19
  6. Step 6: Final answer
    x = 77,763.09

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1.5x scale

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.