Home / 82,021.60-113,192.13-46,209.61

Finding the Fourth Proportional to 82,021.60, 113,192.13 and 46,209.61

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Solution

The fourth proportional to 82,021.60, 113,192.13 and 46,209.61 is: 63,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,021.60 : 113,192.13 = 46,209.61 : x
  2. Step 2: Convert to fraction form
    82,021.60/113,192.13 = 46,209.61/x
  3. Step 3: Cross multiply
    82,021.60x = 113,192.13 × 46,209.61
  4. Step 4: Simplify right side
    82,021.60x = 5,230,564,182.37
  5. Step 5: Solve for x
    x = 5,230,564,182.37/82,021.60
  6. Step 6: Final answer
    x = 63,770.57

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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.