Home / 86,718.26-119,668.64-48,477.90

Finding the Fourth Proportional to 86,718.26, 119,668.64 and 48,477.90

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Solution

The fourth proportional to 86,718.26, 119,668.64 and 48,477.90 is: 66,898.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,718.26 : 119,668.64 = 48,477.90 : x
  2. Step 2: Convert to fraction form
    86,718.26/119,668.64 = 48,477.90/x
  3. Step 3: Cross multiply
    86,718.26x = 119,668.64 × 48,477.90
  4. Step 4: Simplify right side
    86,718.26x = 5,801,284,363.06
  5. Step 5: Solve for x
    x = 5,801,284,363.06/86,718.26
  6. Step 6: Final answer
    x = 66,898.07

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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.