Home / 74,065.48-111,098.24-40,768.42

Finding the Fourth Proportional to 74,065.48, 111,098.24 and 40,768.42

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Solution

The fourth proportional to 74,065.48, 111,098.24 and 40,768.42 is: 61,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,065.48 : 111,098.24 = 40,768.42 : x
  2. Step 2: Convert to fraction form
    74,065.48/111,098.24 = 40,768.42/x
  3. Step 3: Cross multiply
    74,065.48x = 111,098.24 × 40,768.42
  4. Step 4: Simplify right side
    74,065.48x = 4,529,299,709.58
  5. Step 5: Solve for x
    x = 4,529,299,709.58/74,065.48
  6. Step 6: Final answer
    x = 61,152.64

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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.