Home / 84,306.93-116,333.61-50,309.12

Finding the Fourth Proportional to 84,306.93, 116,333.61 and 50,309.12

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Solution

The fourth proportional to 84,306.93, 116,333.61 and 50,309.12 is: 69,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,306.93 : 116,333.61 = 50,309.12 : x
  2. Step 2: Convert to fraction form
    84,306.93/116,333.61 = 50,309.12/x
  3. Step 3: Cross multiply
    84,306.93x = 116,333.61 × 50,309.12
  4. Step 4: Simplify right side
    84,306.93x = 5,852,640,963.86
  5. Step 5: Solve for x
    x = 5,852,640,963.86/84,306.93
  6. Step 6: Final answer
    x = 69,420.64

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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.