Home / 82,780.35-114,258.84-50,975.90

Finding the Fourth Proportional to 82,780.35, 114,258.84 and 50,975.90

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Solution

The fourth proportional to 82,780.35, 114,258.84 and 50,975.90 is: 70,360.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,780.35 : 114,258.84 = 50,975.90 : x
  2. Step 2: Convert to fraction form
    82,780.35/114,258.84 = 50,975.90/x
  3. Step 3: Cross multiply
    82,780.35x = 114,258.84 × 50,975.90
  4. Step 4: Simplify right side
    82,780.35x = 5,824,446,630.66
  5. Step 5: Solve for x
    x = 5,824,446,630.66/82,780.35
  6. Step 6: Final answer
    x = 70,360.26

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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.