Home / 82,785.76-114,246.79-58,629.94

Finding the Fourth Proportional to 82,785.76, 114,246.79 and 58,629.94

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Solution

The fourth proportional to 82,785.76, 114,246.79 and 58,629.94 is: 80,911.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,785.76 : 114,246.79 = 58,629.94 : x
  2. Step 2: Convert to fraction form
    82,785.76/114,246.79 = 58,629.94/x
  3. Step 3: Cross multiply
    82,785.76x = 114,246.79 × 58,629.94
  4. Step 4: Simplify right side
    82,785.76x = 6,698,282,010.70
  5. Step 5: Solve for x
    x = 6,698,282,010.70/82,785.76
  6. Step 6: Final answer
    x = 80,911.04

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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.