Home / 84,206.72-116,208.64-46,479.68

Finding the Fourth Proportional to 84,206.72, 116,208.64 and 46,479.68

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Solution

The fourth proportional to 84,206.72, 116,208.64 and 46,479.68 is: 64,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,206.72 : 116,208.64 = 46,479.68 : x
  2. Step 2: Convert to fraction form
    84,206.72/116,208.64 = 46,479.68/x
  3. Step 3: Cross multiply
    84,206.72x = 116,208.64 × 46,479.68
  4. Step 4: Simplify right side
    84,206.72x = 5,401,340,400.44
  5. Step 5: Solve for x
    x = 5,401,340,400.44/84,206.72
  6. Step 6: Final answer
    x = 64,143.82

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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.