Home / 70,185.69-105,351.44-40,661.19

Finding the Fourth Proportional to 70,185.69, 105,351.44 and 40,661.19

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Solution

The fourth proportional to 70,185.69, 105,351.44 and 40,661.19 is: 61,034.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,185.69 : 105,351.44 = 40,661.19 : x
  2. Step 2: Convert to fraction form
    70,185.69/105,351.44 = 40,661.19/x
  3. Step 3: Cross multiply
    70,185.69x = 105,351.44 × 40,661.19
  4. Step 4: Simplify right side
    70,185.69x = 4,283,714,715.31
  5. Step 5: Solve for x
    x = 4,283,714,715.31/70,185.69
  6. Step 6: Final answer
    x = 61,034.02

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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.