Home / 83,555.07-125,333.21-39,231.87

Finding the Fourth Proportional to 83,555.07, 125,333.21 and 39,231.87

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Solution

The fourth proportional to 83,555.07, 125,333.21 and 39,231.87 is: 58,848.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,555.07 : 125,333.21 = 39,231.87 : x
  2. Step 2: Convert to fraction form
    83,555.07/125,333.21 = 39,231.87/x
  3. Step 3: Cross multiply
    83,555.07x = 125,333.21 × 39,231.87
  4. Step 4: Simplify right side
    83,555.07x = 4,917,056,201.40
  5. Step 5: Solve for x
    x = 4,917,056,201.40/83,555.07
  6. Step 6: Final answer
    x = 58,848.09

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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.