Home / 55,739.86-76,955.88-38,739.04

Finding the Fourth Proportional to 55,739.86, 76,955.88 and 38,739.04

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Solution

The fourth proportional to 55,739.86, 76,955.88 and 38,739.04 is: 53,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,739.86 : 76,955.88 = 38,739.04 : x
  2. Step 2: Convert to fraction form
    55,739.86/76,955.88 = 38,739.04/x
  3. Step 3: Cross multiply
    55,739.86x = 76,955.88 × 38,739.04
  4. Step 4: Simplify right side
    55,739.86x = 2,981,196,913.56
  5. Step 5: Solve for x
    x = 2,981,196,913.56/55,739.86
  6. Step 6: Final answer
    x = 53,484.11

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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.