Home / 53,359.40-80,043.15-15,916.54

Finding the Fourth Proportional to 53,359.40, 80,043.15 and 15,916.54

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Solution

The fourth proportional to 53,359.40, 80,043.15 and 15,916.54 is: 23,876.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,359.40 : 80,043.15 = 15,916.54 : x
  2. Step 2: Convert to fraction form
    53,359.40/80,043.15 = 15,916.54/x
  3. Step 3: Cross multiply
    53,359.40x = 80,043.15 × 15,916.54
  4. Step 4: Simplify right side
    53,359.40x = 1,274,009,998.70
  5. Step 5: Solve for x
    x = 1,274,009,998.70/53,359.40
  6. Step 6: Final answer
    x = 23,876.02

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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.