Home / 53,916.80-80,875.20-49,251.20

Finding the Fourth Proportional to 53,916.80, 80,875.20 and 49,251.20

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Solution

The fourth proportional to 53,916.80, 80,875.20 and 49,251.20 is: 73,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,916.80 : 80,875.20 = 49,251.20 : x
  2. Step 2: Convert to fraction form
    53,916.80/80,875.20 = 49,251.20/x
  3. Step 3: Cross multiply
    53,916.80x = 80,875.20 × 49,251.20
  4. Step 4: Simplify right side
    53,916.80x = 3,983,200,650.24
  5. Step 5: Solve for x
    x = 3,983,200,650.24/53,916.80
  6. Step 6: Final answer
    x = 73,876.80

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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.