Home / 74,034.33-102,167.04-40,042.84

Finding the Fourth Proportional to 74,034.33, 102,167.04 and 40,042.84

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Solution

The fourth proportional to 74,034.33, 102,167.04 and 40,042.84 is: 55,258.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,034.33 : 102,167.04 = 40,042.84 : x
  2. Step 2: Convert to fraction form
    74,034.33/102,167.04 = 40,042.84/x
  3. Step 3: Cross multiply
    74,034.33x = 102,167.04 × 40,042.84
  4. Step 4: Simplify right side
    74,034.33x = 4,091,058,435.99
  5. Step 5: Solve for x
    x = 4,091,058,435.99/74,034.33
  6. Step 6: Final answer
    x = 55,258.94

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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.