Home / 69,448.59-104,231.21-55,685.07

Finding the Fourth Proportional to 69,448.59, 104,231.21 and 55,685.07

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Solution

The fourth proportional to 69,448.59, 104,231.21 and 55,685.07 is: 83,574.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,448.59 : 104,231.21 = 55,685.07 : x
  2. Step 2: Convert to fraction form
    69,448.59/104,231.21 = 55,685.07/x
  3. Step 3: Cross multiply
    69,448.59x = 104,231.21 × 55,685.07
  4. Step 4: Simplify right side
    69,448.59x = 5,804,121,946.61
  5. Step 5: Solve for x
    x = 5,804,121,946.61/69,448.59
  6. Step 6: Final answer
    x = 83,574.37

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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.