Home / 51,136.06-70,550.84-29,900.30

Finding the Fourth Proportional to 51,136.06, 70,550.84 and 29,900.30

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Solution

The fourth proportional to 51,136.06, 70,550.84 and 29,900.30 is: 41,252.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,136.06 : 70,550.84 = 29,900.30 : x
  2. Step 2: Convert to fraction form
    51,136.06/70,550.84 = 29,900.30/x
  3. Step 3: Cross multiply
    51,136.06x = 70,550.84 × 29,900.30
  4. Step 4: Simplify right side
    51,136.06x = 2,109,491,281.25
  5. Step 5: Solve for x
    x = 2,109,491,281.25/51,136.06
  6. Step 6: Final answer
    x = 41,252.52

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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.