Home / 69,979.23-104,865.17-57,587.31

Finding the Fourth Proportional to 69,979.23, 104,865.17 and 57,587.31

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Solution

The fourth proportional to 69,979.23, 104,865.17 and 57,587.31 is: 86,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,979.23 : 104,865.17 = 57,587.31 : x
  2. Step 2: Convert to fraction form
    69,979.23/104,865.17 = 57,587.31/x
  3. Step 3: Cross multiply
    69,979.23x = 104,865.17 × 57,587.31
  4. Step 4: Simplify right side
    69,979.23x = 6,038,902,765.06
  5. Step 5: Solve for x
    x = 6,038,902,765.06/69,979.23
  6. Step 6: Final answer
    x = 86,295.64

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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.