Home / 90,390.52-124,725.83-50,104.27

Finding the Fourth Proportional to 90,390.52, 124,725.83 and 50,104.27

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Solution

The fourth proportional to 90,390.52, 124,725.83 and 50,104.27 is: 69,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,390.52 : 124,725.83 = 50,104.27 : x
  2. Step 2: Convert to fraction form
    90,390.52/124,725.83 = 50,104.27/x
  3. Step 3: Cross multiply
    90,390.52x = 124,725.83 × 50,104.27
  4. Step 4: Simplify right side
    90,390.52x = 6,249,296,567.68
  5. Step 5: Solve for x
    x = 6,249,296,567.68/90,390.52
  6. Step 6: Final answer
    x = 69,136.64

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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.