Home / 53,916.57-80,781.71-48,438.14

Finding the Fourth Proportional to 53,916.57, 80,781.71 and 48,438.14

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Solution

The fourth proportional to 53,916.57, 80,781.71 and 48,438.14 is: 72,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,916.57 : 80,781.71 = 48,438.14 : x
  2. Step 2: Convert to fraction form
    53,916.57/80,781.71 = 48,438.14/x
  3. Step 3: Cross multiply
    53,916.57x = 80,781.71 × 48,438.14
  4. Step 4: Simplify right side
    53,916.57x = 3,912,915,132.32
  5. Step 5: Solve for x
    x = 3,912,915,132.32/53,916.57
  6. Step 6: Final answer
    x = 72,573.52

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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.