Home / 94,121.55-141,199.81-30,945.20

Finding the Fourth Proportional to 94,121.55, 141,199.81 and 30,945.20

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Solution

The fourth proportional to 94,121.55, 141,199.81 and 30,945.20 is: 46,423.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,121.55 : 141,199.81 = 30,945.20 : x
  2. Step 2: Convert to fraction form
    94,121.55/141,199.81 = 30,945.20/x
  3. Step 3: Cross multiply
    94,121.55x = 141,199.81 × 30,945.20
  4. Step 4: Simplify right side
    94,121.55x = 4,369,455,577.05
  5. Step 5: Solve for x
    x = 4,369,455,577.05/94,121.55
  6. Step 6: Final answer
    x = 46,423.54

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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.