Home / 99,124.23-149,429.12-92,525.37

Finding the Fourth Proportional to 99,124.23, 149,429.12 and 92,525.37

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Solution

The fourth proportional to 99,124.23, 149,429.12 and 92,525.37 is: 139,481.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,124.23 : 149,429.12 = 92,525.37 : x
  2. Step 2: Convert to fraction form
    99,124.23/149,429.12 = 92,525.37/x
  3. Step 3: Cross multiply
    99,124.23x = 149,429.12 × 92,525.37
  4. Step 4: Simplify right side
    99,124.23x = 13,825,984,616.77
  5. Step 5: Solve for x
    x = 13,825,984,616.77/99,124.23
  6. Step 6: Final answer
    x = 139,481.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.