Home / 86,340.49-119,148.07-48,099.98

Finding the Fourth Proportional to 86,340.49, 119,148.07 and 48,099.98

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Solution

The fourth proportional to 86,340.49, 119,148.07 and 48,099.98 is: 66,376.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,340.49 : 119,148.07 = 48,099.98 : x
  2. Step 2: Convert to fraction form
    86,340.49/119,148.07 = 48,099.98/x
  3. Step 3: Cross multiply
    86,340.49x = 119,148.07 × 48,099.98
  4. Step 4: Simplify right side
    86,340.49x = 5,731,019,784.04
  5. Step 5: Solve for x
    x = 5,731,019,784.04/86,340.49
  6. Step 6: Final answer
    x = 66,376.97

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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.