Home / 68,834.89-94,990.65-38,619.67

Finding the Fourth Proportional to 68,834.89, 94,990.65 and 38,619.67

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Solution

The fourth proportional to 68,834.89, 94,990.65 and 38,619.67 is: 53,294.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,834.89 : 94,990.65 = 38,619.67 : x
  2. Step 2: Convert to fraction form
    68,834.89/94,990.65 = 38,619.67/x
  3. Step 3: Cross multiply
    68,834.89x = 94,990.65 × 38,619.67
  4. Step 4: Simplify right side
    68,834.89x = 3,668,507,556.09
  5. Step 5: Solve for x
    x = 3,668,507,556.09/68,834.89
  6. Step 6: Final answer
    x = 53,294.30

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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.