Home / 85,127.42-117,474.46-46,890.63

Finding the Fourth Proportional to 85,127.42, 117,474.46 and 46,890.63

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Solution

The fourth proportional to 85,127.42, 117,474.46 and 46,890.63 is: 64,708.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,127.42 : 117,474.46 = 46,890.63 : x
  2. Step 2: Convert to fraction form
    85,127.42/117,474.46 = 46,890.63/x
  3. Step 3: Cross multiply
    85,127.42x = 117,474.46 × 46,890.63
  4. Step 4: Simplify right side
    85,127.42x = 5,508,451,321.08
  5. Step 5: Solve for x
    x = 5,508,451,321.08/85,127.42
  6. Step 6: Final answer
    x = 64,708.31

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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.