Home / 70,274.08-105,242.22-40,197.14

Finding the Fourth Proportional to 70,274.08, 105,242.22 and 40,197.14

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Solution

The fourth proportional to 70,274.08, 105,242.22 and 40,197.14 is: 60,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,274.08 : 105,242.22 = 40,197.14 : x
  2. Step 2: Convert to fraction form
    70,274.08/105,242.22 = 40,197.14/x
  3. Step 3: Cross multiply
    70,274.08x = 105,242.22 × 40,197.14
  4. Step 4: Simplify right side
    70,274.08x = 4,230,436,251.25
  5. Step 5: Solve for x
    x = 4,230,436,251.25/70,274.08
  6. Step 6: Final answer
    x = 60,199.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.