Home / 55,849.50-77,072.31-31,984.07

Finding the Fourth Proportional to 55,849.50, 77,072.31 and 31,984.07

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Solution

The fourth proportional to 55,849.50, 77,072.31 and 31,984.07 is: 44,138.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,849.50 : 77,072.31 = 31,984.07 : x
  2. Step 2: Convert to fraction form
    55,849.50/77,072.31 = 31,984.07/x
  3. Step 3: Cross multiply
    55,849.50x = 77,072.31 × 31,984.07
  4. Step 4: Simplify right side
    55,849.50x = 2,465,085,772.74
  5. Step 5: Solve for x
    x = 2,465,085,772.74/55,849.50
  6. Step 6: Final answer
    x = 44,138.01

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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.