Home / 74,918.54-103,383.02-40,920.14

Finding the Fourth Proportional to 74,918.54, 103,383.02 and 40,920.14

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Solution

The fourth proportional to 74,918.54, 103,383.02 and 40,920.14 is: 56,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,918.54 : 103,383.02 = 40,920.14 : x
  2. Step 2: Convert to fraction form
    74,918.54/103,383.02 = 40,920.14/x
  3. Step 3: Cross multiply
    74,918.54x = 103,383.02 × 40,920.14
  4. Step 4: Simplify right side
    74,918.54x = 4,230,447,447.42
  5. Step 5: Solve for x
    x = 4,230,447,447.42/74,918.54
  6. Step 6: Final answer
    x = 56,467.30

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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.