Home / 105,975.08-158,987.24-31,092.20

Finding the Fourth Proportional to 105,975.08, 158,987.24 and 31,092.20

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Solution

The fourth proportional to 105,975.08, 158,987.24 and 31,092.20 is: 46,645.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,975.08 : 158,987.24 = 31,092.20 : x
  2. Step 2: Convert to fraction form
    105,975.08/158,987.24 = 31,092.20/x
  3. Step 3: Cross multiply
    105,975.08x = 158,987.24 × 31,092.20
  4. Step 4: Simplify right side
    105,975.08x = 4,943,263,063.53
  5. Step 5: Solve for x
    x = 4,943,263,063.53/105,975.08
  6. Step 6: Final answer
    x = 46,645.52

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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.