Home / 51,343.03-70,846.39-28,679.14

Finding the Fourth Proportional to 51,343.03, 70,846.39 and 28,679.14

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Solution

The fourth proportional to 51,343.03, 70,846.39 and 28,679.14 is: 39,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,343.03 : 70,846.39 = 28,679.14 : x
  2. Step 2: Convert to fraction form
    51,343.03/70,846.39 = 28,679.14/x
  3. Step 3: Cross multiply
    51,343.03x = 70,846.39 × 28,679.14
  4. Step 4: Simplify right side
    51,343.03x = 2,031,813,537.30
  5. Step 5: Solve for x
    x = 2,031,813,537.30/51,343.03
  6. Step 6: Final answer
    x = 39,573.31

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1.5x scale

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.