Home / 68,742.99-94,869.09-38,526.57

Finding the Fourth Proportional to 68,742.99, 94,869.09 and 38,526.57

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Solution

The fourth proportional to 68,742.99, 94,869.09 and 38,526.57 is: 53,168.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,742.99 : 94,869.09 = 38,526.57 : x
  2. Step 2: Convert to fraction form
    68,742.99/94,869.09 = 38,526.57/x
  3. Step 3: Cross multiply
    68,742.99x = 94,869.09 × 38,526.57
  4. Step 4: Simplify right side
    68,742.99x = 3,654,980,636.72
  5. Step 5: Solve for x
    x = 3,654,980,636.72/68,742.99
  6. Step 6: Final answer
    x = 53,168.78

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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.