Home / 49,399.60-68,348.64-43,130.20

Finding the Fourth Proportional to 49,399.60, 68,348.64 and 43,130.20

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Solution

The fourth proportional to 49,399.60, 68,348.64 and 43,130.20 is: 59,674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,399.60 : 68,348.64 = 43,130.20 : x
  2. Step 2: Convert to fraction form
    49,399.60/68,348.64 = 43,130.20/x
  3. Step 3: Cross multiply
    49,399.60x = 68,348.64 × 43,130.20
  4. Step 4: Simplify right side
    49,399.60x = 2,947,890,512.93
  5. Step 5: Solve for x
    x = 2,947,890,512.93/49,399.60
  6. Step 6: Final answer
    x = 59,674.38

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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.