Home / 94,144-141,274.36-54,719.68

Finding the Fourth Proportional to 94,144, 141,274.36 and 54,719.68

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Solution

The fourth proportional to 94,144, 141,274.36 and 54,719.68 is: 82,113.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,144 : 141,274.36 = 54,719.68 : x
  2. Step 2: Convert to fraction form
    94,144/141,274.36 = 54,719.68/x
  3. Step 3: Cross multiply
    94,144x = 141,274.36 × 54,719.68
  4. Step 4: Simplify right side
    94,144x = 7,730,487,771.40
  5. Step 5: Solve for x
    x = 7,730,487,771.40/94,144
  6. Step 6: Final answer
    x = 82,113.44

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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.