Home / 75,004.24-103,458-57,059.92

Finding the Fourth Proportional to 75,004.24, 103,458 and 57,059.92

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Solution

The fourth proportional to 75,004.24, 103,458 and 57,059.92 is: 78,706.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,004.24 : 103,458 = 57,059.92 : x
  2. Step 2: Convert to fraction form
    75,004.24/103,458 = 57,059.92/x
  3. Step 3: Cross multiply
    75,004.24x = 103,458 × 57,059.92
  4. Step 4: Simplify right side
    75,004.24x = 5,903,305,203.36
  5. Step 5: Solve for x
    x = 5,903,305,203.36/75,004.24
  6. Step 6: Final answer
    x = 78,706.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.