Home / 55,613.27-76,747.55-31,739.46

Finding the Fourth Proportional to 55,613.27, 76,747.55 and 31,739.46

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Solution

The fourth proportional to 55,613.27, 76,747.55 and 31,739.46 is: 43,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,613.27 : 76,747.55 = 31,739.46 : x
  2. Step 2: Convert to fraction form
    55,613.27/76,747.55 = 31,739.46/x
  3. Step 3: Cross multiply
    55,613.27x = 76,747.55 × 31,739.46
  4. Step 4: Simplify right side
    55,613.27x = 2,435,925,634.63
  5. Step 5: Solve for x
    x = 2,435,925,634.63/55,613.27
  6. Step 6: Final answer
    x = 43,801.16

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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.