Home / 61,136.36-91,789.50-31,576.04

Finding the Fourth Proportional to 61,136.36, 91,789.50 and 31,576.04

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Solution

The fourth proportional to 61,136.36, 91,789.50 and 31,576.04 is: 47,407.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,136.36 : 91,789.50 = 31,576.04 : x
  2. Step 2: Convert to fraction form
    61,136.36/91,789.50 = 31,576.04/x
  3. Step 3: Cross multiply
    61,136.36x = 91,789.50 × 31,576.04
  4. Step 4: Simplify right side
    61,136.36x = 2,898,348,923.58
  5. Step 5: Solve for x
    x = 2,898,348,923.58/61,136.36
  6. Step 6: Final answer
    x = 47,407.94

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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.