Home / 57,100.14-85,674.78-30,774.06

Finding the Fourth Proportional to 57,100.14, 85,674.78 and 30,774.06

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Solution

The fourth proportional to 57,100.14, 85,674.78 and 30,774.06 is: 46,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,100.14 : 85,674.78 = 30,774.06 : x
  2. Step 2: Convert to fraction form
    57,100.14/85,674.78 = 30,774.06/x
  3. Step 3: Cross multiply
    57,100.14x = 85,674.78 × 30,774.06
  4. Step 4: Simplify right side
    57,100.14x = 2,636,560,820.21
  5. Step 5: Solve for x
    x = 2,636,560,820.21/57,100.14
  6. Step 6: Final answer
    x = 46,174.33

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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.