Home / 103,504.36-142,836.58-58,793.96

Finding the Fourth Proportional to 103,504.36, 142,836.58 and 58,793.96

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Solution

The fourth proportional to 103,504.36, 142,836.58 and 58,793.96 is: 81,135.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,504.36 : 142,836.58 = 58,793.96 : x
  2. Step 2: Convert to fraction form
    103,504.36/142,836.58 = 58,793.96/x
  3. Step 3: Cross multiply
    103,504.36x = 142,836.58 × 58,793.96
  4. Step 4: Simplify right side
    103,504.36x = 8,397,928,171.06
  5. Step 5: Solve for x
    x = 8,397,928,171.06/103,504.36
  6. Step 6: Final answer
    x = 81,135.98

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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.