Home / 90,852.96-125,269.80-62,186.44

Finding the Fourth Proportional to 90,852.96, 125,269.80 and 62,186.44

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Solution

The fourth proportional to 90,852.96, 125,269.80 and 62,186.44 is: 85,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,852.96 : 125,269.80 = 62,186.44 : x
  2. Step 2: Convert to fraction form
    90,852.96/125,269.80 = 62,186.44/x
  3. Step 3: Cross multiply
    90,852.96x = 125,269.80 × 62,186.44
  4. Step 4: Simplify right side
    90,852.96x = 7,790,082,901.51
  5. Step 5: Solve for x
    x = 7,790,082,901.51/90,852.96
  6. Step 6: Final answer
    x = 85,743.85

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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.