Home / 86,340.96-119,148.72-48,100.46

Finding the Fourth Proportional to 86,340.96, 119,148.72 and 48,100.46

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Solution

The fourth proportional to 86,340.96, 119,148.72 and 48,100.46 is: 66,377.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,340.96 : 119,148.72 = 48,100.46 : x
  2. Step 2: Convert to fraction form
    86,340.96/119,148.72 = 48,100.46/x
  3. Step 3: Cross multiply
    86,340.96x = 119,148.72 × 48,100.46
  4. Step 4: Simplify right side
    86,340.96x = 5,731,107,464.29
  5. Step 5: Solve for x
    x = 5,731,107,464.29/86,340.96
  6. Step 6: Final answer
    x = 66,377.62

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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.