Home / 82,747.24-114,192.36-45,021.52

Finding the Fourth Proportional to 82,747.24, 114,192.36 and 45,021.52

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Solution

The fourth proportional to 82,747.24, 114,192.36 and 45,021.52 is: 62,130.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,747.24 : 114,192.36 = 45,021.52 : x
  2. Step 2: Convert to fraction form
    82,747.24/114,192.36 = 45,021.52/x
  3. Step 3: Cross multiply
    82,747.24x = 114,192.36 × 45,021.52
  4. Step 4: Simplify right side
    82,747.24x = 5,141,113,619.59
  5. Step 5: Solve for x
    x = 5,141,113,619.59/82,747.24
  6. Step 6: Final answer
    x = 62,130.33

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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.