Home / 86,127.81-118,834.61-50,295.03

Finding the Fourth Proportional to 86,127.81, 118,834.61 and 50,295.03

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Solution

The fourth proportional to 86,127.81, 118,834.61 and 50,295.03 is: 69,394.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,127.81 : 118,834.61 = 50,295.03 : x
  2. Step 2: Convert to fraction form
    86,127.81/118,834.61 = 50,295.03/x
  3. Step 3: Cross multiply
    86,127.81x = 118,834.61 × 50,295.03
  4. Step 4: Simplify right side
    86,127.81x = 5,976,790,023.51
  5. Step 5: Solve for x
    x = 5,976,790,023.51/86,127.81
  6. Step 6: Final answer
    x = 69,394.43

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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.