Home / 74,144.04-102,316.42-43,929.56

Finding the Fourth Proportional to 74,144.04, 102,316.42 and 43,929.56

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Solution

The fourth proportional to 74,144.04, 102,316.42 and 43,929.56 is: 60,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,144.04 : 102,316.42 = 43,929.56 : x
  2. Step 2: Convert to fraction form
    74,144.04/102,316.42 = 43,929.56/x
  3. Step 3: Cross multiply
    74,144.04x = 102,316.42 × 43,929.56
  4. Step 4: Simplify right side
    74,144.04x = 4,494,715,311.38
  5. Step 5: Solve for x
    x = 4,494,715,311.38/74,144.04
  6. Step 6: Final answer
    x = 60,621.40

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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.