Home / 57,868.09-86,801.51-43,913.84

Finding the Fourth Proportional to 57,868.09, 86,801.51 and 43,913.84

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Solution

The fourth proportional to 57,868.09, 86,801.51 and 43,913.84 is: 65,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,868.09 : 86,801.51 = 43,913.84 : x
  2. Step 2: Convert to fraction form
    57,868.09/86,801.51 = 43,913.84/x
  3. Step 3: Cross multiply
    57,868.09x = 86,801.51 × 43,913.84
  4. Step 4: Simplify right side
    57,868.09x = 3,811,787,297.68
  5. Step 5: Solve for x
    x = 3,811,787,297.68/57,868.09
  6. Step 6: Final answer
    x = 65,870.28

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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.