Home / 49,883.51-68,783.15-40,780.73

Finding the Fourth Proportional to 49,883.51, 68,783.15 and 40,780.73

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Solution

The fourth proportional to 49,883.51, 68,783.15 and 40,780.73 is: 56,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,883.51 : 68,783.15 = 40,780.73 : x
  2. Step 2: Convert to fraction form
    49,883.51/68,783.15 = 40,780.73/x
  3. Step 3: Cross multiply
    49,883.51x = 68,783.15 × 40,780.73
  4. Step 4: Simplify right side
    49,883.51x = 2,805,026,826.74
  5. Step 5: Solve for x
    x = 2,805,026,826.74/49,883.51
  6. Step 6: Final answer
    x = 56,231.55

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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.