Home / 82,783.80-114,265.62-54,107.82

Finding the Fourth Proportional to 82,783.80, 114,265.62 and 54,107.82

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Solution

The fourth proportional to 82,783.80, 114,265.62 and 54,107.82 is: 74,684.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,783.80 : 114,265.62 = 54,107.82 : x
  2. Step 2: Convert to fraction form
    82,783.80/114,265.62 = 54,107.82/x
  3. Step 3: Cross multiply
    82,783.80x = 114,265.62 × 54,107.82
  4. Step 4: Simplify right side
    82,783.80x = 6,182,663,599.15
  5. Step 5: Solve for x
    x = 6,182,663,599.15/82,783.80
  6. Step 6: Final answer
    x = 74,684.46

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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.