Home / 86,257.46-119,038.78-48,018.58

Finding the Fourth Proportional to 86,257.46, 119,038.78 and 48,018.58

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Solution

The fourth proportional to 86,257.46, 119,038.78 and 48,018.58 is: 66,267.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,257.46 : 119,038.78 = 48,018.58 : x
  2. Step 2: Convert to fraction form
    86,257.46/119,038.78 = 48,018.58/x
  3. Step 3: Cross multiply
    86,257.46x = 119,038.78 × 48,018.58
  4. Step 4: Simplify right side
    86,257.46x = 5,716,072,942.96
  5. Step 5: Solve for x
    x = 5,716,072,942.96/86,257.46
  6. Step 6: Final answer
    x = 66,267.58

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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.