Home / 71,424.20-107,136.30-59,846.60

Finding the Fourth Proportional to 71,424.20, 107,136.30 and 59,846.60

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Solution

The fourth proportional to 71,424.20, 107,136.30 and 59,846.60 is: 89,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,424.20 : 107,136.30 = 59,846.60 : x
  2. Step 2: Convert to fraction form
    71,424.20/107,136.30 = 59,846.60/x
  3. Step 3: Cross multiply
    71,424.20x = 107,136.30 × 59,846.60
  4. Step 4: Simplify right side
    71,424.20x = 6,411,743,291.58
  5. Step 5: Solve for x
    x = 6,411,743,291.58/71,424.20
  6. Step 6: Final answer
    x = 89,769.90

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1.5x scale

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.