Home / 53,618.88-80,428.32-36,735.24

Finding the Fourth Proportional to 53,618.88, 80,428.32 and 36,735.24

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Solution

The fourth proportional to 53,618.88, 80,428.32 and 36,735.24 is: 55,102.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,618.88 : 80,428.32 = 36,735.24 : x
  2. Step 2: Convert to fraction form
    53,618.88/80,428.32 = 36,735.24/x
  3. Step 3: Cross multiply
    53,618.88x = 80,428.32 × 36,735.24
  4. Step 4: Simplify right side
    53,618.88x = 2,954,553,638.00
  5. Step 5: Solve for x
    x = 2,954,553,638.00/53,618.88
  6. Step 6: Final answer
    x = 55,102.86

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1.5x scale

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.