Home / 86,731.55-119,682.89-52,735.32

Finding the Fourth Proportional to 86,731.55, 119,682.89 and 52,735.32

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Solution

The fourth proportional to 86,731.55, 119,682.89 and 52,735.32 is: 72,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,731.55 : 119,682.89 = 52,735.32 : x
  2. Step 2: Convert to fraction form
    86,731.55/119,682.89 = 52,735.32/x
  3. Step 3: Cross multiply
    86,731.55x = 119,682.89 × 52,735.32
  4. Step 4: Simplify right side
    86,731.55x = 6,311,515,436.76
  5. Step 5: Solve for x
    x = 6,311,515,436.76/86,731.55
  6. Step 6: Final answer
    x = 72,770.70

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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.