Home / 86,371.70-119,196.63-48,131.30

Finding the Fourth Proportional to 86,371.70, 119,196.63 and 48,131.30

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Solution

The fourth proportional to 86,371.70, 119,196.63 and 48,131.30 is: 66,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,371.70 : 119,196.63 = 48,131.30 : x
  2. Step 2: Convert to fraction form
    86,371.70/119,196.63 = 48,131.30/x
  3. Step 3: Cross multiply
    86,371.70x = 119,196.63 × 48,131.30
  4. Step 4: Simplify right side
    86,371.70x = 5,737,088,161.54
  5. Step 5: Solve for x
    x = 5,737,088,161.54/86,371.70
  6. Step 6: Final answer
    x = 66,423.24

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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.