Home / 54,893.54-75,752.09-31,019.70

Finding the Fourth Proportional to 54,893.54, 75,752.09 and 31,019.70

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Solution

The fourth proportional to 54,893.54, 75,752.09 and 31,019.70 is: 42,806.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,893.54 : 75,752.09 = 31,019.70 : x
  2. Step 2: Convert to fraction form
    54,893.54/75,752.09 = 31,019.70/x
  3. Step 3: Cross multiply
    54,893.54x = 75,752.09 × 31,019.70
  4. Step 4: Simplify right side
    54,893.54x = 2,349,807,106.17
  5. Step 5: Solve for x
    x = 2,349,807,106.17/54,893.54
  6. Step 6: Final answer
    x = 42,806.62

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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.