Home / 82,828.60-124,243.98-23,666.20

Finding the Fourth Proportional to 82,828.60, 124,243.98 and 23,666.20

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Solution

The fourth proportional to 82,828.60, 124,243.98 and 23,666.20 is: 35,499.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,828.60 : 124,243.98 = 23,666.20 : x
  2. Step 2: Convert to fraction form
    82,828.60/124,243.98 = 23,666.20/x
  3. Step 3: Cross multiply
    82,828.60x = 124,243.98 × 23,666.20
  4. Step 4: Simplify right side
    82,828.60x = 2,940,382,879.48
  5. Step 5: Solve for x
    x = 2,940,382,879.48/82,828.60
  6. Step 6: Final answer
    x = 35,499.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.