Home / 54,935.02-75,813.33-31,063.78

Finding the Fourth Proportional to 54,935.02, 75,813.33 and 31,063.78

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Solution

The fourth proportional to 54,935.02, 75,813.33 and 31,063.78 is: 42,869.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,935.02 : 75,813.33 = 31,063.78 : x
  2. Step 2: Convert to fraction form
    54,935.02/75,813.33 = 31,063.78/x
  3. Step 3: Cross multiply
    54,935.02x = 75,813.33 × 31,063.78
  4. Step 4: Simplify right side
    54,935.02x = 2,355,048,604.19
  5. Step 5: Solve for x
    x = 2,355,048,604.19/54,935.02
  6. Step 6: Final answer
    x = 42,869.71

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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.