Home / 69,212.90-103,731.06-35,868.44

Finding the Fourth Proportional to 69,212.90, 103,731.06 and 35,868.44

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Solution

The fourth proportional to 69,212.90, 103,731.06 and 35,868.44 is: 53,756.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,212.90 : 103,731.06 = 35,868.44 : x
  2. Step 2: Convert to fraction form
    69,212.90/103,731.06 = 35,868.44/x
  3. Step 3: Cross multiply
    69,212.90x = 103,731.06 × 35,868.44
  4. Step 4: Simplify right side
    69,212.90x = 3,720,671,301.75
  5. Step 5: Solve for x
    x = 3,720,671,301.75/69,212.90
  6. Step 6: Final answer
    x = 53,756.91

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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.