Home / 86,766.26-119,702.09-56,540.54

Finding the Fourth Proportional to 86,766.26, 119,702.09 and 56,540.54

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Solution

The fourth proportional to 86,766.26, 119,702.09 and 56,540.54 is: 78,002.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,766.26 : 119,702.09 = 56,540.54 : x
  2. Step 2: Convert to fraction form
    86,766.26/119,702.09 = 56,540.54/x
  3. Step 3: Cross multiply
    86,766.26x = 119,702.09 × 56,540.54
  4. Step 4: Simplify right side
    86,766.26x = 6,768,021,248.34
  5. Step 5: Solve for x
    x = 6,768,021,248.34/86,766.26
  6. Step 6: Final answer
    x = 78,002.92

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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.