Home / 56,668.43-78,162.64-49,101.32

Finding the Fourth Proportional to 56,668.43, 78,162.64 and 49,101.32

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Solution

The fourth proportional to 56,668.43, 78,162.64 and 49,101.32 is: 67,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,668.43 : 78,162.64 = 49,101.32 : x
  2. Step 2: Convert to fraction form
    56,668.43/78,162.64 = 49,101.32/x
  3. Step 3: Cross multiply
    56,668.43x = 78,162.64 × 49,101.32
  4. Step 4: Simplify right side
    56,668.43x = 3,837,888,871.34
  5. Step 5: Solve for x
    x = 3,837,888,871.34/56,668.43
  6. Step 6: Final answer
    x = 67,725.34

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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.