Home / 105,930.07-158,895.38-25,968.40

Finding the Fourth Proportional to 105,930.07, 158,895.38 and 25,968.40

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Solution

The fourth proportional to 105,930.07, 158,895.38 and 25,968.40 is: 38,952.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,930.07 : 158,895.38 = 25,968.40 : x
  2. Step 2: Convert to fraction form
    105,930.07/158,895.38 = 25,968.40/x
  3. Step 3: Cross multiply
    105,930.07x = 158,895.38 × 25,968.40
  4. Step 4: Simplify right side
    105,930.07x = 4,126,258,453.67
  5. Step 5: Solve for x
    x = 4,126,258,453.67/105,930.07
  6. Step 6: Final answer
    x = 38,952.67

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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.