Home / 66,762.24-92,131.92-38,467.68

Finding the Fourth Proportional to 66,762.24, 92,131.92 and 38,467.68

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Solution

The fourth proportional to 66,762.24, 92,131.92 and 38,467.68 is: 53,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,762.24 : 92,131.92 = 38,467.68 : x
  2. Step 2: Convert to fraction form
    66,762.24/92,131.92 = 38,467.68/x
  3. Step 3: Cross multiply
    66,762.24x = 92,131.92 × 38,467.68
  4. Step 4: Simplify right side
    66,762.24x = 3,544,101,216.35
  5. Step 5: Solve for x
    x = 3,544,101,216.35/66,762.24
  6. Step 6: Final answer
    x = 53,085.41

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1.5x scale

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.