Home / 84,221.12-116,222.10-46,494.56

Finding the Fourth Proportional to 84,221.12, 116,222.10 and 46,494.56

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Solution

The fourth proportional to 84,221.12, 116,222.10 and 46,494.56 is: 64,160.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,221.12 : 116,222.10 = 46,494.56 : x
  2. Step 2: Convert to fraction form
    84,221.12/116,222.10 = 46,494.56/x
  3. Step 3: Cross multiply
    84,221.12x = 116,222.10 × 46,494.56
  4. Step 4: Simplify right side
    84,221.12x = 5,403,695,401.78
  5. Step 5: Solve for x
    x = 5,403,695,401.78/84,221.12
  6. Step 6: Final answer
    x = 64,160.81

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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.