Home / 104,883.30-144,737.70-57,136.62

Finding the Fourth Proportional to 104,883.30, 144,737.70 and 57,136.62

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Solution

The fourth proportional to 104,883.30, 144,737.70 and 57,136.62 is: 78,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,883.30 : 144,737.70 = 57,136.62 : x
  2. Step 2: Convert to fraction form
    104,883.30/144,737.70 = 57,136.62/x
  3. Step 3: Cross multiply
    104,883.30x = 144,737.70 × 57,136.62
  4. Step 4: Simplify right side
    104,883.30x = 8,269,822,964.57
  5. Step 5: Solve for x
    x = 8,269,822,964.57/104,883.30
  6. Step 6: Final answer
    x = 78,847.85

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1.5x scale

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.