Home / 53,416.40-80,124.60-33,717.20

Finding the Fourth Proportional to 53,416.40, 80,124.60 and 33,717.20

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Solution

The fourth proportional to 53,416.40, 80,124.60 and 33,717.20 is: 50,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,416.40 : 80,124.60 = 33,717.20 : x
  2. Step 2: Convert to fraction form
    53,416.40/80,124.60 = 33,717.20/x
  3. Step 3: Cross multiply
    53,416.40x = 80,124.60 × 33,717.20
  4. Step 4: Simplify right side
    53,416.40x = 2,701,577,163.12
  5. Step 5: Solve for x
    x = 2,701,577,163.12/53,416.40
  6. Step 6: Final answer
    x = 50,575.80

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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.