Home / 55,102.72-76,019.09-35,975.87

Finding the Fourth Proportional to 55,102.72, 76,019.09 and 35,975.87

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Solution

The fourth proportional to 55,102.72, 76,019.09 and 35,975.87 is: 49,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,102.72 : 76,019.09 = 35,975.87 : x
  2. Step 2: Convert to fraction form
    55,102.72/76,019.09 = 35,975.87/x
  3. Step 3: Cross multiply
    55,102.72x = 76,019.09 × 35,975.87
  4. Step 4: Simplify right side
    55,102.72x = 2,734,852,711.34
  5. Step 5: Solve for x
    x = 2,734,852,711.34/55,102.72
  6. Step 6: Final answer
    x = 49,631.90

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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.