Home / 69,303.60-103,778.28-38,104.56

Finding the Fourth Proportional to 69,303.60, 103,778.28 and 38,104.56

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Solution

The fourth proportional to 69,303.60, 103,778.28 and 38,104.56 is: 57,059.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,303.60 : 103,778.28 = 38,104.56 : x
  2. Step 2: Convert to fraction form
    69,303.60/103,778.28 = 38,104.56/x
  3. Step 3: Cross multiply
    69,303.60x = 103,778.28 × 38,104.56
  4. Step 4: Simplify right side
    69,303.60x = 3,954,425,696.96
  5. Step 5: Solve for x
    x = 3,954,425,696.96/69,303.60
  6. Step 6: Final answer
    x = 57,059.46

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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.