Home / 89,107.10-133,618.80-51,677.81

Finding the Fourth Proportional to 89,107.10, 133,618.80 and 51,677.81

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Solution

The fourth proportional to 89,107.10, 133,618.80 and 51,677.81 is: 77,492.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,107.10 : 133,618.80 = 51,677.81 : x
  2. Step 2: Convert to fraction form
    89,107.10/133,618.80 = 51,677.81/x
  3. Step 3: Cross multiply
    89,107.10x = 133,618.80 × 51,677.81
  4. Step 4: Simplify right side
    89,107.10x = 6,905,126,958.83
  5. Step 5: Solve for x
    x = 6,905,126,958.83/89,107.10
  6. Step 6: Final answer
    x = 77,492.44

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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.