Home / 124,045.50-186,129.79-49,163.98

Finding the Fourth Proportional to 124,045.50, 186,129.79 and 49,163.98

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Solution

The fourth proportional to 124,045.50, 186,129.79 and 49,163.98 is: 73,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,045.50 : 186,129.79 = 49,163.98 : x
  2. Step 2: Convert to fraction form
    124,045.50/186,129.79 = 49,163.98/x
  3. Step 3: Cross multiply
    124,045.50x = 186,129.79 × 49,163.98
  4. Step 4: Simplify right side
    124,045.50x = 9,150,881,272.96
  5. Step 5: Solve for x
    x = 9,150,881,272.96/124,045.50
  6. Step 6: Final answer
    x = 73,770.36

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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.