Home / 61,136.34-84,377.61-34,289.70

Finding the Fourth Proportional to 61,136.34, 84,377.61 and 34,289.70

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Solution

The fourth proportional to 61,136.34, 84,377.61 and 34,289.70 is: 47,325.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,136.34 : 84,377.61 = 34,289.70 : x
  2. Step 2: Convert to fraction form
    61,136.34/84,377.61 = 34,289.70/x
  3. Step 3: Cross multiply
    61,136.34x = 84,377.61 × 34,289.70
  4. Step 4: Simplify right side
    61,136.34x = 2,893,282,933.62
  5. Step 5: Solve for x
    x = 2,893,282,933.62/61,136.34
  6. Step 6: Final answer
    x = 47,325.09

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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.