Home / 62,758.94-94,138.45-39,401.78

Finding the Fourth Proportional to 62,758.94, 94,138.45 and 39,401.78

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Solution

The fourth proportional to 62,758.94, 94,138.45 and 39,401.78 is: 59,102.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,758.94 : 94,138.45 = 39,401.78 : x
  2. Step 2: Convert to fraction form
    62,758.94/94,138.45 = 39,401.78/x
  3. Step 3: Cross multiply
    62,758.94x = 94,138.45 × 39,401.78
  4. Step 4: Simplify right side
    62,758.94x = 3,709,222,299.43
  5. Step 5: Solve for x
    x = 3,709,222,299.43/62,758.94
  6. Step 6: Final answer
    x = 59,102.69

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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.