Home / 90,904.14-136,365.54-34,791.45

Finding the Fourth Proportional to 90,904.14, 136,365.54 and 34,791.45

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Solution

The fourth proportional to 90,904.14, 136,365.54 and 34,791.45 is: 52,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,904.14 : 136,365.54 = 34,791.45 : x
  2. Step 2: Convert to fraction form
    90,904.14/136,365.54 = 34,791.45/x
  3. Step 3: Cross multiply
    90,904.14x = 136,365.54 × 34,791.45
  4. Step 4: Simplify right side
    90,904.14x = 4,744,354,866.63
  5. Step 5: Solve for x
    x = 4,744,354,866.63/90,904.14
  6. Step 6: Final answer
    x = 52,190.75

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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.