Home / 105,725.90-158,573.34-30,825.92

Finding the Fourth Proportional to 105,725.90, 158,573.34 and 30,825.92

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Solution

The fourth proportional to 105,725.90, 158,573.34 and 30,825.92 is: 46,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,725.90 : 158,573.34 = 30,825.92 : x
  2. Step 2: Convert to fraction form
    105,725.90/158,573.34 = 30,825.92/x
  3. Step 3: Cross multiply
    105,725.90x = 158,573.34 × 30,825.92
  4. Step 4: Simplify right side
    105,725.90x = 4,888,169,092.97
  5. Step 5: Solve for x
    x = 4,888,169,092.97/105,725.90
  6. Step 6: Final answer
    x = 46,234.36

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1.5x scale

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.