Home / 84,631.33-116,763.78-50,178.79

Finding the Fourth Proportional to 84,631.33, 116,763.78 and 50,178.79

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Solution

The fourth proportional to 84,631.33, 116,763.78 and 50,178.79 is: 69,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,631.33 : 116,763.78 = 50,178.79 : x
  2. Step 2: Convert to fraction form
    84,631.33/116,763.78 = 50,178.79/x
  3. Step 3: Cross multiply
    84,631.33x = 116,763.78 × 50,178.79
  4. Step 4: Simplify right side
    84,631.33x = 5,859,065,196.23
  5. Step 5: Solve for x
    x = 5,859,065,196.23/84,631.33
  6. Step 6: Final answer
    x = 69,230.45

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1.5x scale

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.