Home / 89,982.36-124,176.65-51,760.89

Finding the Fourth Proportional to 89,982.36, 124,176.65 and 51,760.89

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Solution

The fourth proportional to 89,982.36, 124,176.65 and 51,760.89 is: 71,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,982.36 : 124,176.65 = 51,760.89 : x
  2. Step 2: Convert to fraction form
    89,982.36/124,176.65 = 51,760.89/x
  3. Step 3: Cross multiply
    89,982.36x = 124,176.65 × 51,760.89
  4. Step 4: Simplify right side
    89,982.36x = 6,427,493,662.41
  5. Step 5: Solve for x
    x = 6,427,493,662.41/89,982.36
  6. Step 6: Final answer
    x = 71,430.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.