Home / 69,759.78-104,637.33-30,316.89

Finding the Fourth Proportional to 69,759.78, 104,637.33 and 30,316.89

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Solution

The fourth proportional to 69,759.78, 104,637.33 and 30,316.89 is: 45,474.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,759.78 : 104,637.33 = 30,316.89 : x
  2. Step 2: Convert to fraction form
    69,759.78/104,637.33 = 30,316.89/x
  3. Step 3: Cross multiply
    69,759.78x = 104,637.33 × 30,316.89
  4. Step 4: Simplify right side
    69,759.78x = 3,172,278,423.50
  5. Step 5: Solve for x
    x = 3,172,278,423.50/69,759.78
  6. Step 6: Final answer
    x = 45,474.32

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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.