Home / 55,613.36-76,753.80-31,734.56

Finding the Fourth Proportional to 55,613.36, 76,753.80 and 31,734.56

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Solution

The fourth proportional to 55,613.36, 76,753.80 and 31,734.56 is: 43,797.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,613.36 : 76,753.80 = 31,734.56 : x
  2. Step 2: Convert to fraction form
    55,613.36/76,753.80 = 31,734.56/x
  3. Step 3: Cross multiply
    55,613.36x = 76,753.80 × 31,734.56
  4. Step 4: Simplify right side
    55,613.36x = 2,435,748,071.33
  5. Step 5: Solve for x
    x = 2,435,748,071.33/55,613.36
  6. Step 6: Final answer
    x = 43,797.89

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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.