Home / 89,133.77-133,610.67-55,877.19

Finding the Fourth Proportional to 89,133.77, 133,610.67 and 55,877.19

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Solution

The fourth proportional to 89,133.77, 133,610.67 and 55,877.19 is: 83,759.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,133.77 : 133,610.67 = 55,877.19 : x
  2. Step 2: Convert to fraction form
    89,133.77/133,610.67 = 55,877.19/x
  3. Step 3: Cross multiply
    89,133.77x = 133,610.67 × 55,877.19
  4. Step 4: Simplify right side
    89,133.77x = 7,465,788,793.62
  5. Step 5: Solve for x
    x = 7,465,788,793.62/89,133.77
  6. Step 6: Final answer
    x = 83,759.37

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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.