Home / 105,514.47-145,596.41-60,189.75

Finding the Fourth Proportional to 105,514.47, 145,596.41 and 60,189.75

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Solution

The fourth proportional to 105,514.47, 145,596.41 and 60,189.75 is: 83,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,514.47 : 145,596.41 = 60,189.75 : x
  2. Step 2: Convert to fraction form
    105,514.47/145,596.41 = 60,189.75/x
  3. Step 3: Cross multiply
    105,514.47x = 145,596.41 × 60,189.75
  4. Step 4: Simplify right side
    105,514.47x = 8,763,410,489.87
  5. Step 5: Solve for x
    x = 8,763,410,489.87/105,514.47
  6. Step 6: Final answer
    x = 83,054.11

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1.5x scale

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.