Home / 97,620.90-146,278.20-58,156.44

Finding the Fourth Proportional to 97,620.90, 146,278.20 and 58,156.44

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Solution

The fourth proportional to 97,620.90, 146,278.20 and 58,156.44 is: 87,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,620.90 : 146,278.20 = 58,156.44 : x
  2. Step 2: Convert to fraction form
    97,620.90/146,278.20 = 58,156.44/x
  3. Step 3: Cross multiply
    97,620.90x = 146,278.20 × 58,156.44
  4. Step 4: Simplify right side
    97,620.90x = 8,507,019,361.61
  5. Step 5: Solve for x
    x = 8,507,019,361.61/97,620.90
  6. Step 6: Final answer
    x = 87,143.42

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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.