Home / 105,975.41-146,245.65-60,653.21

Finding the Fourth Proportional to 105,975.41, 146,245.65 and 60,653.21

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Solution

The fourth proportional to 105,975.41, 146,245.65 and 60,653.21 is: 83,701.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,975.41 : 146,245.65 = 60,653.21 : x
  2. Step 2: Convert to fraction form
    105,975.41/146,245.65 = 60,653.21/x
  3. Step 3: Cross multiply
    105,975.41x = 146,245.65 × 60,653.21
  4. Step 4: Simplify right side
    105,975.41x = 8,870,268,121.04
  5. Step 5: Solve for x
    x = 8,870,268,121.04/105,975.41
  6. Step 6: Final answer
    x = 83,701.19

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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.