Home / 82,857.86-124,395.22-49,185.34

Finding the Fourth Proportional to 82,857.86, 124,395.22 and 49,185.34

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Solution

The fourth proportional to 82,857.86, 124,395.22 and 49,185.34 is: 73,842.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,857.86 : 124,395.22 = 49,185.34 : x
  2. Step 2: Convert to fraction form
    82,857.86/124,395.22 = 49,185.34/x
  3. Step 3: Cross multiply
    82,857.86x = 124,395.22 × 49,185.34
  4. Step 4: Simplify right side
    82,857.86x = 6,118,421,190.07
  5. Step 5: Solve for x
    x = 6,118,421,190.07/82,857.86
  6. Step 6: Final answer
    x = 73,842.38

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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.