Home / 69,811.40-104,664.36-34,775.84

Finding the Fourth Proportional to 69,811.40, 104,664.36 and 34,775.84

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Solution

The fourth proportional to 69,811.40, 104,664.36 and 34,775.84 is: 52,137.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,811.40 : 104,664.36 = 34,775.84 : x
  2. Step 2: Convert to fraction form
    69,811.40/104,664.36 = 34,775.84/x
  3. Step 3: Cross multiply
    69,811.40x = 104,664.36 × 34,775.84
  4. Step 4: Simplify right side
    69,811.40x = 3,639,791,037.06
  5. Step 5: Solve for x
    x = 3,639,791,037.06/69,811.40
  6. Step 6: Final answer
    x = 52,137.49

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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.