Home / 99,673.20-149,596.18-52,321.77

Finding the Fourth Proportional to 99,673.20, 149,596.18 and 52,321.77

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Solution

The fourth proportional to 99,673.20, 149,596.18 and 52,321.77 is: 78,527.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,673.20 : 149,596.18 = 52,321.77 : x
  2. Step 2: Convert to fraction form
    99,673.20/149,596.18 = 52,321.77/x
  3. Step 3: Cross multiply
    99,673.20x = 149,596.18 × 52,321.77
  4. Step 4: Simplify right side
    99,673.20x = 7,827,136,679.65
  5. Step 5: Solve for x
    x = 7,827,136,679.65/99,673.20
  6. Step 6: Final answer
    x = 78,527.99

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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.