Home / 54,916.14-75,781.32-31,041.42

Finding the Fourth Proportional to 54,916.14, 75,781.32 and 31,041.42

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Solution

The fourth proportional to 54,916.14, 75,781.32 and 31,041.42 is: 42,835.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,916.14 : 75,781.32 = 31,041.42 : x
  2. Step 2: Convert to fraction form
    54,916.14/75,781.32 = 31,041.42/x
  3. Step 3: Cross multiply
    54,916.14x = 75,781.32 × 31,041.42
  4. Step 4: Simplify right side
    54,916.14x = 2,352,359,782.27
  5. Step 5: Solve for x
    x = 2,352,359,782.27/54,916.14
  6. Step 6: Final answer
    x = 42,835.49

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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.