Home / 53,709.29-80,487.56-39,558.04

Finding the Fourth Proportional to 53,709.29, 80,487.56 and 39,558.04

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Solution

The fourth proportional to 53,709.29, 80,487.56 and 39,558.04 is: 59,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,709.29 : 80,487.56 = 39,558.04 : x
  2. Step 2: Convert to fraction form
    53,709.29/80,487.56 = 39,558.04/x
  3. Step 3: Cross multiply
    53,709.29x = 80,487.56 × 39,558.04
  4. Step 4: Simplify right side
    53,709.29x = 3,183,929,916.76
  5. Step 5: Solve for x
    x = 3,183,929,916.76/53,709.29
  6. Step 6: Final answer
    x = 59,280.80

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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.