Home / 89,033.72-133,458.33-55,677.20

Finding the Fourth Proportional to 89,033.72, 133,458.33 and 55,677.20

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Solution

The fourth proportional to 89,033.72, 133,458.33 and 55,677.20 is: 83,458.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,033.72 : 133,458.33 = 55,677.20 : x
  2. Step 2: Convert to fraction form
    89,033.72/133,458.33 = 55,677.20/x
  3. Step 3: Cross multiply
    89,033.72x = 133,458.33 × 55,677.20
  4. Step 4: Simplify right side
    89,033.72x = 7,430,586,131.08
  5. Step 5: Solve for x
    x = 7,430,586,131.08/89,033.72
  6. Step 6: Final answer
    x = 83,458.11

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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.