Home / 74,228.68-102,433.46-42,396.92

Finding the Fourth Proportional to 74,228.68, 102,433.46 and 42,396.92

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Solution

The fourth proportional to 74,228.68, 102,433.46 and 42,396.92 is: 58,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,228.68 : 102,433.46 = 42,396.92 : x
  2. Step 2: Convert to fraction form
    74,228.68/102,433.46 = 42,396.92/x
  3. Step 3: Cross multiply
    74,228.68x = 102,433.46 × 42,396.92
  4. Step 4: Simplify right side
    74,228.68x = 4,342,863,208.94
  5. Step 5: Solve for x
    x = 4,342,863,208.94/74,228.68
  6. Step 6: Final answer
    x = 58,506.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.