Home / 62,821.80-94,232.70-54,268.20

Finding the Fourth Proportional to 62,821.80, 94,232.70 and 54,268.20

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Solution

The fourth proportional to 62,821.80, 94,232.70 and 54,268.20 is: 81,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,821.80 : 94,232.70 = 54,268.20 : x
  2. Step 2: Convert to fraction form
    62,821.80/94,232.70 = 54,268.20/x
  3. Step 3: Cross multiply
    62,821.80x = 94,232.70 × 54,268.20
  4. Step 4: Simplify right side
    62,821.80x = 5,113,839,010.14
  5. Step 5: Solve for x
    x = 5,113,839,010.14/62,821.80
  6. Step 6: Final answer
    x = 81,402.30

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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.