Home / 99,511.69-149,134.11-48,833.23

Finding the Fourth Proportional to 99,511.69, 149,134.11 and 48,833.23

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Solution

The fourth proportional to 99,511.69, 149,134.11 and 48,833.23 is: 73,184.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,511.69 : 149,134.11 = 48,833.23 : x
  2. Step 2: Convert to fraction form
    99,511.69/149,134.11 = 48,833.23/x
  3. Step 3: Cross multiply
    99,511.69x = 149,134.11 × 48,833.23
  4. Step 4: Simplify right side
    99,511.69x = 7,282,700,294.48
  5. Step 5: Solve for x
    x = 7,282,700,294.48/99,511.69
  6. Step 6: Final answer
    x = 73,184.37

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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.