Home / 99,910.24-149,846.12-46,587.54

Finding the Fourth Proportional to 99,910.24, 149,846.12 and 46,587.54

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Solution

The fourth proportional to 99,910.24, 149,846.12 and 46,587.54 is: 69,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,910.24 : 149,846.12 = 46,587.54 : x
  2. Step 2: Convert to fraction form
    99,910.24/149,846.12 = 46,587.54/x
  3. Step 3: Cross multiply
    99,910.24x = 149,846.12 × 46,587.54
  4. Step 4: Simplify right side
    99,910.24x = 6,980,962,109.34
  5. Step 5: Solve for x
    x = 6,980,962,109.34/99,910.24
  6. Step 6: Final answer
    x = 69,872.34

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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.