Home / 69,901.28-104,888.79-30,461.47

Finding the Fourth Proportional to 69,901.28, 104,888.79 and 30,461.47

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Solution

The fourth proportional to 69,901.28, 104,888.79 and 30,461.47 is: 45,708.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,901.28 : 104,888.79 = 30,461.47 : x
  2. Step 2: Convert to fraction form
    69,901.28/104,888.79 = 30,461.47/x
  3. Step 3: Cross multiply
    69,901.28x = 104,888.79 × 30,461.47
  4. Step 4: Simplify right side
    69,901.28x = 3,195,066,467.70
  5. Step 5: Solve for x
    x = 3,195,066,467.70/69,901.28
  6. Step 6: Final answer
    x = 45,708.27

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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.