Home / 49,395.96-68,165.10-28,174.77

Finding the Fourth Proportional to 49,395.96, 68,165.10 and 28,174.77

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Solution

The fourth proportional to 49,395.96, 68,165.10 and 28,174.77 is: 38,880.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,395.96 : 68,165.10 = 28,174.77 : x
  2. Step 2: Convert to fraction form
    49,395.96/68,165.10 = 28,174.77/x
  3. Step 3: Cross multiply
    49,395.96x = 68,165.10 × 28,174.77
  4. Step 4: Simplify right side
    49,395.96x = 1,920,536,014.53
  5. Step 5: Solve for x
    x = 1,920,536,014.53/49,395.96
  6. Step 6: Final answer
    x = 38,880.43

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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.