Home / 86,669.76-119,609.82-48,429.42

Finding the Fourth Proportional to 86,669.76, 119,609.82 and 48,429.42

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Solution

The fourth proportional to 86,669.76, 119,609.82 and 48,429.42 is: 66,835.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,669.76 : 119,609.82 = 48,429.42 : x
  2. Step 2: Convert to fraction form
    86,669.76/119,609.82 = 48,429.42/x
  3. Step 3: Cross multiply
    86,669.76x = 119,609.82 × 48,429.42
  4. Step 4: Simplify right side
    86,669.76x = 5,792,634,208.90
  5. Step 5: Solve for x
    x = 5,792,634,208.90/86,669.76
  6. Step 6: Final answer
    x = 66,835.70

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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.