Home / 74,918.03-103,388.03-40,926.27

Finding the Fourth Proportional to 74,918.03, 103,388.03 and 40,926.27

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Solution

The fourth proportional to 74,918.03, 103,388.03 and 40,926.27 is: 56,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,918.03 : 103,388.03 = 40,926.27 : x
  2. Step 2: Convert to fraction form
    74,918.03/103,388.03 = 40,926.27/x
  3. Step 3: Cross multiply
    74,918.03x = 103,388.03 × 40,926.27
  4. Step 4: Simplify right side
    74,918.03x = 4,231,286,767.10
  5. Step 5: Solve for x
    x = 4,231,286,767.10/74,918.03
  6. Step 6: Final answer
    x = 56,478.89

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1.5x scale

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.