Home / 54,768.37-81,756.36-48,125.35

Finding the Fourth Proportional to 54,768.37, 81,756.36 and 48,125.35

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Solution

The fourth proportional to 54,768.37, 81,756.36 and 48,125.35 is: 71,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,768.37 : 81,756.36 = 48,125.35 : x
  2. Step 2: Convert to fraction form
    54,768.37/81,756.36 = 48,125.35/x
  3. Step 3: Cross multiply
    54,768.37x = 81,756.36 × 48,125.35
  4. Step 4: Simplify right side
    54,768.37x = 3,934,553,199.10
  5. Step 5: Solve for x
    x = 3,934,553,199.10/54,768.37
  6. Step 6: Final answer
    x = 71,839.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.