Home / 86,668.44-119,600.98-48,428.61

Finding the Fourth Proportional to 86,668.44, 119,600.98 and 48,428.61

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Solution

The fourth proportional to 86,668.44, 119,600.98 and 48,428.61 is: 66,830.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,668.44 : 119,600.98 = 48,428.61 : x
  2. Step 2: Convert to fraction form
    86,668.44/119,600.98 = 48,428.61/x
  3. Step 3: Cross multiply
    86,668.44x = 119,600.98 × 48,428.61
  4. Step 4: Simplify right side
    86,668.44x = 5,792,109,216.04
  5. Step 5: Solve for x
    x = 5,792,109,216.04/86,668.44
  6. Step 6: Final answer
    x = 66,830.66

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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.