Home / 70,437.26-105,668.19-30,993.35

Finding the Fourth Proportional to 70,437.26, 105,668.19 and 30,993.35

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Solution

The fourth proportional to 70,437.26, 105,668.19 and 30,993.35 is: 46,495.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,437.26 : 105,668.19 = 30,993.35 : x
  2. Step 2: Convert to fraction form
    70,437.26/105,668.19 = 30,993.35/x
  3. Step 3: Cross multiply
    70,437.26x = 105,668.19 × 30,993.35
  4. Step 4: Simplify right side
    70,437.26x = 3,275,011,196.54
  5. Step 5: Solve for x
    x = 3,275,011,196.54/70,437.26
  6. Step 6: Final answer
    x = 46,495.44

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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.