Home / 69,898.08-104,850.58-19,985.52

Finding the Fourth Proportional to 69,898.08, 104,850.58 and 19,985.52

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Solution

The fourth proportional to 69,898.08, 104,850.58 and 19,985.52 is: 29,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,898.08 : 104,850.58 = 19,985.52 : x
  2. Step 2: Convert to fraction form
    69,898.08/104,850.58 = 19,985.52/x
  3. Step 3: Cross multiply
    69,898.08x = 104,850.58 × 19,985.52
  4. Step 4: Simplify right side
    69,898.08x = 2,095,493,313.64
  5. Step 5: Solve for x
    x = 2,095,493,313.64/69,898.08
  6. Step 6: Final answer
    x = 29,979.27

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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.