Home / 54,732.49-75,529.32-30,858.95

Finding the Fourth Proportional to 54,732.49, 75,529.32 and 30,858.95

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Solution

The fourth proportional to 54,732.49, 75,529.32 and 30,858.95 is: 42,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,732.49 : 75,529.32 = 30,858.95 : x
  2. Step 2: Convert to fraction form
    54,732.49/75,529.32 = 30,858.95/x
  3. Step 3: Cross multiply
    54,732.49x = 75,529.32 × 30,858.95
  4. Step 4: Simplify right side
    54,732.49x = 2,330,755,509.41
  5. Step 5: Solve for x
    x = 2,330,755,509.41/54,732.49
  6. Step 6: Final answer
    x = 42,584.50

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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.