Home / 74,167.70-102,351.54-40,176.26

Finding the Fourth Proportional to 74,167.70, 102,351.54 and 40,176.26

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Solution

The fourth proportional to 74,167.70, 102,351.54 and 40,176.26 is: 55,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,167.70 : 102,351.54 = 40,176.26 : x
  2. Step 2: Convert to fraction form
    74,167.70/102,351.54 = 40,176.26/x
  3. Step 3: Cross multiply
    74,167.70x = 102,351.54 × 40,176.26
  4. Step 4: Simplify right side
    74,167.70x = 4,112,102,082.44
  5. Step 5: Solve for x
    x = 4,112,102,082.44/74,167.70
  6. Step 6: Final answer
    x = 55,443.30

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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.