Home / 54,930.88-75,812.70-34,789.63

Finding the Fourth Proportional to 54,930.88, 75,812.70 and 34,789.63

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Solution

The fourth proportional to 54,930.88, 75,812.70 and 34,789.63 is: 48,014.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,930.88 : 75,812.70 = 34,789.63 : x
  2. Step 2: Convert to fraction form
    54,930.88/75,812.70 = 34,789.63/x
  3. Step 3: Cross multiply
    54,930.88x = 75,812.70 × 34,789.63
  4. Step 4: Simplify right side
    54,930.88x = 2,637,495,782.30
  5. Step 5: Solve for x
    x = 2,637,495,782.30/54,930.88
  6. Step 6: Final answer
    x = 48,014.81

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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.