Home / 86,917.34-119,917.84-48,671.16

Finding the Fourth Proportional to 86,917.34, 119,917.84 and 48,671.16

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Solution

The fourth proportional to 86,917.34, 119,917.84 and 48,671.16 is: 67,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,917.34 : 119,917.84 = 48,671.16 : x
  2. Step 2: Convert to fraction form
    86,917.34/119,917.84 = 48,671.16/x
  3. Step 3: Cross multiply
    86,917.34x = 119,917.84 × 48,671.16
  4. Step 4: Simplify right side
    86,917.34x = 5,836,540,377.49
  5. Step 5: Solve for x
    x = 5,836,540,377.49/86,917.34
  6. Step 6: Final answer
    x = 67,150.47

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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.