Home / 55,961.20-83,941.80-49,400.20

Finding the Fourth Proportional to 55,961.20, 83,941.80 and 49,400.20

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Solution

The fourth proportional to 55,961.20, 83,941.80 and 49,400.20 is: 74,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,961.20 : 83,941.80 = 49,400.20 : x
  2. Step 2: Convert to fraction form
    55,961.20/83,941.80 = 49,400.20/x
  3. Step 3: Cross multiply
    55,961.20x = 83,941.80 × 49,400.20
  4. Step 4: Simplify right side
    55,961.20x = 4,146,741,708.36
  5. Step 5: Solve for x
    x = 4,146,741,708.36/55,961.20
  6. Step 6: Final answer
    x = 74,100.30

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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.