Home / 70,930.14-106,323.40-45,986.03

Finding the Fourth Proportional to 70,930.14, 106,323.40 and 45,986.03

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Solution

The fourth proportional to 70,930.14, 106,323.40 and 45,986.03 is: 68,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,930.14 : 106,323.40 = 45,986.03 : x
  2. Step 2: Convert to fraction form
    70,930.14/106,323.40 = 45,986.03/x
  3. Step 3: Cross multiply
    70,930.14x = 106,323.40 × 45,986.03
  4. Step 4: Simplify right side
    70,930.14x = 4,889,391,062.10
  5. Step 5: Solve for x
    x = 4,889,391,062.10/70,930.14
  6. Step 6: Final answer
    x = 68,932.49

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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.