Home / 53,359.56-80,039.31-13,916.57

Finding the Fourth Proportional to 53,359.56, 80,039.31 and 13,916.57

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Solution

The fourth proportional to 53,359.56, 80,039.31 and 13,916.57 is: 20,874.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,359.56 : 80,039.31 = 13,916.57 : x
  2. Step 2: Convert to fraction form
    53,359.56/80,039.31 = 13,916.57/x
  3. Step 3: Cross multiply
    53,359.56x = 80,039.31 × 13,916.57
  4. Step 4: Simplify right side
    53,359.56x = 1,113,872,260.17
  5. Step 5: Solve for x
    x = 1,113,872,260.17/53,359.56
  6. Step 6: Final answer
    x = 20,874.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.