Home / 99,371.81-149,115.13-52,624.69

Finding the Fourth Proportional to 99,371.81, 149,115.13 and 52,624.69

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Solution

The fourth proportional to 99,371.81, 149,115.13 and 52,624.69 is: 78,967.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,371.81 : 149,115.13 = 52,624.69 : x
  2. Step 2: Convert to fraction form
    99,371.81/149,115.13 = 52,624.69/x
  3. Step 3: Cross multiply
    99,371.81x = 149,115.13 × 52,624.69
  4. Step 4: Simplify right side
    99,371.81x = 7,847,136,986.21
  5. Step 5: Solve for x
    x = 7,847,136,986.21/99,371.81
  6. Step 6: Final answer
    x = 78,967.43

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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.