Home / 86,342.82-119,156.77-48,102.35

Finding the Fourth Proportional to 86,342.82, 119,156.77 and 48,102.35

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Solution

The fourth proportional to 86,342.82, 119,156.77 and 48,102.35 is: 66,383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,342.82 : 119,156.77 = 48,102.35 : x
  2. Step 2: Convert to fraction form
    86,342.82/119,156.77 = 48,102.35/x
  3. Step 3: Cross multiply
    86,342.82x = 119,156.77 × 48,102.35
  4. Step 4: Simplify right side
    86,342.82x = 5,731,720,454.88
  5. Step 5: Solve for x
    x = 5,731,720,454.88/86,342.82
  6. Step 6: Final answer
    x = 66,383.29

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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.