Home / 82,828.12-124,305.12-60,699.28

Finding the Fourth Proportional to 82,828.12, 124,305.12 and 60,699.28

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Solution

The fourth proportional to 82,828.12, 124,305.12 and 60,699.28 is: 91,095.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,828.12 : 124,305.12 = 60,699.28 : x
  2. Step 2: Convert to fraction form
    82,828.12/124,305.12 = 60,699.28/x
  3. Step 3: Cross multiply
    82,828.12x = 124,305.12 × 60,699.28
  4. Step 4: Simplify right side
    82,828.12x = 7,545,231,284.31
  5. Step 5: Solve for x
    x = 7,545,231,284.31/82,828.12
  6. Step 6: Final answer
    x = 91,095.04

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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.