Home / 84,609.63-116,730.38-50,619.09

Finding the Fourth Proportional to 84,609.63, 116,730.38 and 50,619.09

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Solution

The fourth proportional to 84,609.63, 116,730.38 and 50,619.09 is: 69,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,609.63 : 116,730.38 = 50,619.09 : x
  2. Step 2: Convert to fraction form
    84,609.63/116,730.38 = 50,619.09/x
  3. Step 3: Cross multiply
    84,609.63x = 116,730.38 × 50,619.09
  4. Step 4: Simplify right side
    84,609.63x = 5,908,785,357.86
  5. Step 5: Solve for x
    x = 5,908,785,357.86/84,609.63
  6. Step 6: Final answer
    x = 69,835.85

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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.