Home / 74,052.40-102,191.85-40,060.75

Finding the Fourth Proportional to 74,052.40, 102,191.85 and 40,060.75

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Solution

The fourth proportional to 74,052.40, 102,191.85 and 40,060.75 is: 55,283.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,052.40 : 102,191.85 = 40,060.75 : x
  2. Step 2: Convert to fraction form
    74,052.40/102,191.85 = 40,060.75/x
  3. Step 3: Cross multiply
    74,052.40x = 102,191.85 × 40,060.75
  4. Step 4: Simplify right side
    74,052.40x = 4,093,882,154.89
  5. Step 5: Solve for x
    x = 4,093,882,154.89/74,052.40
  6. Step 6: Final answer
    x = 55,283.59

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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.