Home / 54,707.84-75,483.36-30,834.56

Finding the Fourth Proportional to 54,707.84, 75,483.36 and 30,834.56

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Solution

The fourth proportional to 54,707.84, 75,483.36 and 30,834.56 is: 42,544.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,707.84 : 75,483.36 = 30,834.56 : x
  2. Step 2: Convert to fraction form
    54,707.84/75,483.36 = 30,834.56/x
  3. Step 3: Cross multiply
    54,707.84x = 75,483.36 × 30,834.56
  4. Step 4: Simplify right side
    54,707.84x = 2,327,496,192.92
  5. Step 5: Solve for x
    x = 2,327,496,192.92/54,707.84
  6. Step 6: Final answer
    x = 42,544.11

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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.