Home / 84,211.86-116,208.09-46,478.82

Finding the Fourth Proportional to 84,211.86, 116,208.09 and 46,478.82

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Solution

The fourth proportional to 84,211.86, 116,208.09 and 46,478.82 is: 64,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,211.86 : 116,208.09 = 46,478.82 : x
  2. Step 2: Convert to fraction form
    84,211.86/116,208.09 = 46,478.82/x
  3. Step 3: Cross multiply
    84,211.86x = 116,208.09 × 46,478.82
  4. Step 4: Simplify right side
    84,211.86x = 5,401,214,897.65
  5. Step 5: Solve for x
    x = 5,401,214,897.65/84,211.86
  6. Step 6: Final answer
    x = 64,138.41

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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.