Home / 112,984.38-155,917.67-62,683.38

Finding the Fourth Proportional to 112,984.38, 155,917.67 and 62,683.38

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Solution

The fourth proportional to 112,984.38, 155,917.67 and 62,683.38 is: 86,502.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,984.38 : 155,917.67 = 62,683.38 : x
  2. Step 2: Convert to fraction form
    112,984.38/155,917.67 = 62,683.38/x
  3. Step 3: Cross multiply
    112,984.38x = 155,917.67 × 62,683.38
  4. Step 4: Simplify right side
    112,984.38x = 9,773,446,243.91
  5. Step 5: Solve for x
    x = 9,773,446,243.91/112,984.38
  6. Step 6: Final answer
    x = 86,502.63

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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.