Home / 89,106.37-133,663.61-49,633.72

Finding the Fourth Proportional to 89,106.37, 133,663.61 and 49,633.72

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Solution

The fourth proportional to 89,106.37, 133,663.61 and 49,633.72 is: 74,452.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,106.37 : 133,663.61 = 49,633.72 : x
  2. Step 2: Convert to fraction form
    89,106.37/133,663.61 = 49,633.72/x
  3. Step 3: Cross multiply
    89,106.37x = 133,663.61 × 49,633.72
  4. Step 4: Simplify right side
    89,106.37x = 6,634,222,192.93
  5. Step 5: Solve for x
    x = 6,634,222,192.93/89,106.37
  6. Step 6: Final answer
    x = 74,452.84

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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.