Home / 74,141.10-111,099.42-49,091.45

Finding the Fourth Proportional to 74,141.10, 111,099.42 and 49,091.45

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Solution

The fourth proportional to 74,141.10, 111,099.42 and 49,091.45 is: 73,562.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,141.10 : 111,099.42 = 49,091.45 : x
  2. Step 2: Convert to fraction form
    74,141.10/111,099.42 = 49,091.45/x
  3. Step 3: Cross multiply
    74,141.10x = 111,099.42 × 49,091.45
  4. Step 4: Simplify right side
    74,141.10x = 5,454,031,066.46
  5. Step 5: Solve for x
    x = 5,454,031,066.46/74,141.10
  6. Step 6: Final answer
    x = 73,562.86

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1.5x scale

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.