Home / 53,532.10-80,335.14-18,471.88

Finding the Fourth Proportional to 53,532.10, 80,335.14 and 18,471.88

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Solution

The fourth proportional to 53,532.10, 80,335.14 and 18,471.88 is: 27,720.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,532.10 : 80,335.14 = 18,471.88 : x
  2. Step 2: Convert to fraction form
    53,532.10/80,335.14 = 18,471.88/x
  3. Step 3: Cross multiply
    53,532.10x = 80,335.14 × 18,471.88
  4. Step 4: Simplify right side
    53,532.10x = 1,483,941,065.86
  5. Step 5: Solve for x
    x = 1,483,941,065.86/53,532.10
  6. Step 6: Final answer
    x = 27,720.58

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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.