Home / 86,342.15-119,120.57-52,326.11

Finding the Fourth Proportional to 86,342.15, 119,120.57 and 52,326.11

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Solution

The fourth proportional to 86,342.15, 119,120.57 and 52,326.11 is: 72,190.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,342.15 : 119,120.57 = 52,326.11 : x
  2. Step 2: Convert to fraction form
    86,342.15/119,120.57 = 52,326.11/x
  3. Step 3: Cross multiply
    86,342.15x = 119,120.57 × 52,326.11
  4. Step 4: Simplify right side
    86,342.15x = 6,233,115,191.85
  5. Step 5: Solve for x
    x = 6,233,115,191.85/86,342.15
  6. Step 6: Final answer
    x = 72,190.88

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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.