Home / 69,899.08-104,852.08-19,986.52

Finding the Fourth Proportional to 69,899.08, 104,852.08 and 19,986.52

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Solution

The fourth proportional to 69,899.08, 104,852.08 and 19,986.52 is: 29,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,899.08 : 104,852.08 = 19,986.52 : x
  2. Step 2: Convert to fraction form
    69,899.08/104,852.08 = 19,986.52/x
  3. Step 3: Cross multiply
    69,899.08x = 104,852.08 × 19,986.52
  4. Step 4: Simplify right side
    69,899.08x = 2,095,628,193.96
  5. Step 5: Solve for x
    x = 2,095,628,193.96/69,899.08
  6. Step 6: Final answer
    x = 29,980.77

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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.