Home / 74,958.76-112,401.42-25,021.72

Finding the Fourth Proportional to 74,958.76, 112,401.42 and 25,021.72

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Solution

The fourth proportional to 74,958.76, 112,401.42 and 25,021.72 is: 37,520.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,958.76 : 112,401.42 = 25,021.72 : x
  2. Step 2: Convert to fraction form
    74,958.76/112,401.42 = 25,021.72/x
  3. Step 3: Cross multiply
    74,958.76x = 112,401.42 × 25,021.72
  4. Step 4: Simplify right side
    74,958.76x = 2,812,476,858.84
  5. Step 5: Solve for x
    x = 2,812,476,858.84/74,958.76
  6. Step 6: Final answer
    x = 37,520.32

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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.