Home / 82,979.76-114,512.06-45,254

Finding the Fourth Proportional to 82,979.76, 114,512.06 and 45,254

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Solution

The fourth proportional to 82,979.76, 114,512.06 and 45,254 is: 62,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,979.76 : 114,512.06 = 45,254 : x
  2. Step 2: Convert to fraction form
    82,979.76/114,512.06 = 45,254/x
  3. Step 3: Cross multiply
    82,979.76x = 114,512.06 × 45,254
  4. Step 4: Simplify right side
    82,979.76x = 5,182,128,763.24
  5. Step 5: Solve for x
    x = 5,182,128,763.24/82,979.76
  6. Step 6: Final answer
    x = 62,450.52

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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.