Home / 69,939.64-104,804.70-30,475.36

Finding the Fourth Proportional to 69,939.64, 104,804.70 and 30,475.36

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Solution

The fourth proportional to 69,939.64, 104,804.70 and 30,475.36 is: 45,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,939.64 : 104,804.70 = 30,475.36 : x
  2. Step 2: Convert to fraction form
    69,939.64/104,804.70 = 30,475.36/x
  3. Step 3: Cross multiply
    69,939.64x = 104,804.70 × 30,475.36
  4. Step 4: Simplify right side
    69,939.64x = 3,193,960,962.19
  5. Step 5: Solve for x
    x = 3,193,960,962.19/69,939.64
  6. Step 6: Final answer
    x = 45,667.39

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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.