Home / 53,897.10-80,736.30-30,496.20

Finding the Fourth Proportional to 53,897.10, 80,736.30 and 30,496.20

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Solution

The fourth proportional to 53,897.10, 80,736.30 and 30,496.20 is: 45,682.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,897.10 : 80,736.30 = 30,496.20 : x
  2. Step 2: Convert to fraction form
    53,897.10/80,736.30 = 30,496.20/x
  3. Step 3: Cross multiply
    53,897.10x = 80,736.30 × 30,496.20
  4. Step 4: Simplify right side
    53,897.10x = 2,462,150,352.06
  5. Step 5: Solve for x
    x = 2,462,150,352.06/53,897.10
  6. Step 6: Final answer
    x = 45,682.43

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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.