Home / 49,662.12-68,543.46-28,455.60

Finding the Fourth Proportional to 49,662.12, 68,543.46 and 28,455.60

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Solution

The fourth proportional to 49,662.12, 68,543.46 and 28,455.60 is: 39,274.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,662.12 : 68,543.46 = 28,455.60 : x
  2. Step 2: Convert to fraction form
    49,662.12/68,543.46 = 28,455.60/x
  3. Step 3: Cross multiply
    49,662.12x = 68,543.46 × 28,455.60
  4. Step 4: Simplify right side
    49,662.12x = 1,950,445,280.38
  5. Step 5: Solve for x
    x = 1,950,445,280.38/49,662.12
  6. Step 6: Final answer
    x = 39,274.31

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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.