Home / 69,698.16-104,534.90-31,738.73

Finding the Fourth Proportional to 69,698.16, 104,534.90 and 31,738.73

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Solution

The fourth proportional to 69,698.16, 104,534.90 and 31,738.73 is: 47,602.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,698.16 : 104,534.90 = 31,738.73 : x
  2. Step 2: Convert to fraction form
    69,698.16/104,534.90 = 31,738.73/x
  3. Step 3: Cross multiply
    69,698.16x = 104,534.90 × 31,738.73
  4. Step 4: Simplify right side
    69,698.16x = 3,317,804,966.68
  5. Step 5: Solve for x
    x = 3,317,804,966.68/69,698.16
  6. Step 6: Final answer
    x = 47,602.48

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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.