Home / 82,918.50-114,427.43-45,192.75

Finding the Fourth Proportional to 82,918.50, 114,427.43 and 45,192.75

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Solution

The fourth proportional to 82,918.50, 114,427.43 and 45,192.75 is: 62,365.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,918.50 : 114,427.43 = 45,192.75 : x
  2. Step 2: Convert to fraction form
    82,918.50/114,427.43 = 45,192.75/x
  3. Step 3: Cross multiply
    82,918.50x = 114,427.43 × 45,192.75
  4. Step 4: Simplify right side
    82,918.50x = 5,171,290,237.13
  5. Step 5: Solve for x
    x = 5,171,290,237.13/82,918.50
  6. Step 6: Final answer
    x = 62,365.94

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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.