Home / 74,727.90-102,914.55-73,094.94

Finding the Fourth Proportional to 74,727.90, 102,914.55 and 73,094.94

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Solution

The fourth proportional to 74,727.90, 102,914.55 and 73,094.94 is: 100,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,727.90 : 102,914.55 = 73,094.94 : x
  2. Step 2: Convert to fraction form
    74,727.90/102,914.55 = 73,094.94/x
  3. Step 3: Cross multiply
    74,727.90x = 102,914.55 × 73,094.94
  4. Step 4: Simplify right side
    74,727.90x = 7,522,532,857.38
  5. Step 5: Solve for x
    x = 7,522,532,857.38/74,727.90
  6. Step 6: Final answer
    x = 100,665.65

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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.