Home / 112,725.75-169,114.55-38,853.75

Finding the Fourth Proportional to 112,725.75, 169,114.55 and 38,853.75

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Solution

The fourth proportional to 112,725.75, 169,114.55 and 38,853.75 is: 58,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,725.75 : 169,114.55 = 38,853.75 : x
  2. Step 2: Convert to fraction form
    112,725.75/169,114.55 = 38,853.75/x
  3. Step 3: Cross multiply
    112,725.75x = 169,114.55 × 38,853.75
  4. Step 4: Simplify right side
    112,725.75x = 6,570,734,252.79
  5. Step 5: Solve for x
    x = 6,570,734,252.79/112,725.75
  6. Step 6: Final answer
    x = 58,289.56

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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.