Home / 86,363.92-119,179.05-48,121.49

Finding the Fourth Proportional to 86,363.92, 119,179.05 and 48,121.49

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Solution

The fourth proportional to 86,363.92, 119,179.05 and 48,121.49 is: 66,405.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,363.92 : 119,179.05 = 48,121.49 : x
  2. Step 2: Convert to fraction form
    86,363.92/119,179.05 = 48,121.49/x
  3. Step 3: Cross multiply
    86,363.92x = 119,179.05 × 48,121.49
  4. Step 4: Simplify right side
    86,363.92x = 5,735,072,866.89
  5. Step 5: Solve for x
    x = 5,735,072,866.89/86,363.92
  6. Step 6: Final answer
    x = 66,405.89

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1.5x scale

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.