Home / 55,455.91-76,542.75-31,596.64

Finding the Fourth Proportional to 55,455.91, 76,542.75 and 31,596.64

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Solution

The fourth proportional to 55,455.91, 76,542.75 and 31,596.64 is: 43,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,455.91 : 76,542.75 = 31,596.64 : x
  2. Step 2: Convert to fraction form
    55,455.91/76,542.75 = 31,596.64/x
  3. Step 3: Cross multiply
    55,455.91x = 76,542.75 × 31,596.64
  4. Step 4: Simplify right side
    55,455.91x = 2,418,493,525.00
  5. Step 5: Solve for x
    x = 2,418,493,525.00/55,455.91
  6. Step 6: Final answer
    x = 43,611.11

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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.