Home / 55,723.46-76,897.42-30,572.42

Finding the Fourth Proportional to 55,723.46, 76,897.42 and 30,572.42

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Solution

The fourth proportional to 55,723.46, 76,897.42 and 30,572.42 is: 42,189.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,723.46 : 76,897.42 = 30,572.42 : x
  2. Step 2: Convert to fraction form
    55,723.46/76,897.42 = 30,572.42/x
  3. Step 3: Cross multiply
    55,723.46x = 76,897.42 × 30,572.42
  4. Step 4: Simplify right side
    55,723.46x = 2,350,939,760.24
  5. Step 5: Solve for x
    x = 2,350,939,760.24/55,723.46
  6. Step 6: Final answer
    x = 42,189.41

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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.