Home / 89,942.99-124,121.51-49,656.83

Finding the Fourth Proportional to 89,942.99, 124,121.51 and 49,656.83

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Solution

The fourth proportional to 89,942.99, 124,121.51 and 49,656.83 is: 68,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,942.99 : 124,121.51 = 49,656.83 : x
  2. Step 2: Convert to fraction form
    89,942.99/124,121.51 = 49,656.83/x
  3. Step 3: Cross multiply
    89,942.99x = 124,121.51 × 49,656.83
  4. Step 4: Simplify right side
    89,942.99x = 6,163,479,852.52
  5. Step 5: Solve for x
    x = 6,163,479,852.52/89,942.99
  6. Step 6: Final answer
    x = 68,526.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.