Home / 53,359.05-80,038.57-13,916.06

Finding the Fourth Proportional to 53,359.05, 80,038.57 and 13,916.06

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Solution

The fourth proportional to 53,359.05, 80,038.57 and 13,916.06 is: 20,874.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,359.05 : 80,038.57 = 13,916.06 : x
  2. Step 2: Convert to fraction form
    53,359.05/80,038.57 = 13,916.06/x
  3. Step 3: Cross multiply
    53,359.05x = 80,038.57 × 13,916.06
  4. Step 4: Simplify right side
    53,359.05x = 1,113,821,542.43
  5. Step 5: Solve for x
    x = 1,113,821,542.43/53,359.05
  6. Step 6: Final answer
    x = 20,874.09

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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.