Home / 82,798.45-114,261.87-45,072.70

Finding the Fourth Proportional to 82,798.45, 114,261.87 and 45,072.70

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Solution

The fourth proportional to 82,798.45, 114,261.87 and 45,072.70 is: 62,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,798.45 : 114,261.87 = 45,072.70 : x
  2. Step 2: Convert to fraction form
    82,798.45/114,261.87 = 45,072.70/x
  3. Step 3: Cross multiply
    82,798.45x = 114,261.87 × 45,072.70
  4. Step 4: Simplify right side
    82,798.45x = 5,150,091,133.74
  5. Step 5: Solve for x
    x = 5,150,091,133.74/82,798.45
  6. Step 6: Final answer
    x = 62,200.33

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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.