Home / 94,139.06-129,912.82-51,698.50

Finding the Fourth Proportional to 94,139.06, 129,912.82 and 51,698.50

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Solution

The fourth proportional to 94,139.06, 129,912.82 and 51,698.50 is: 71,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,139.06 : 129,912.82 = 51,698.50 : x
  2. Step 2: Convert to fraction form
    94,139.06/129,912.82 = 51,698.50/x
  3. Step 3: Cross multiply
    94,139.06x = 129,912.82 × 51,698.50
  4. Step 4: Simplify right side
    94,139.06x = 6,716,297,924.77
  5. Step 5: Solve for x
    x = 6,716,297,924.77/94,139.06
  6. Step 6: Final answer
    x = 71,344.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.