Home / 89,323.10-133,809.49-51,804.36

Finding the Fourth Proportional to 89,323.10, 133,809.49 and 51,804.36

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Solution

The fourth proportional to 89,323.10, 133,809.49 and 51,804.36 is: 77,604.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,323.10 : 133,809.49 = 51,804.36 : x
  2. Step 2: Convert to fraction form
    89,323.10/133,809.49 = 51,804.36/x
  3. Step 3: Cross multiply
    89,323.10x = 133,809.49 × 51,804.36
  4. Step 4: Simplify right side
    89,323.10x = 6,931,914,861.87
  5. Step 5: Solve for x
    x = 6,931,914,861.87/89,323.10
  6. Step 6: Final answer
    x = 77,604.95

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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.