Home / 57,814.47-86,720.36-26,649.72

Finding the Fourth Proportional to 57,814.47, 86,720.36 and 26,649.72

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Solution

The fourth proportional to 57,814.47, 86,720.36 and 26,649.72 is: 39,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,814.47 : 86,720.36 = 26,649.72 : x
  2. Step 2: Convert to fraction form
    57,814.47/86,720.36 = 26,649.72/x
  3. Step 3: Cross multiply
    57,814.47x = 86,720.36 × 26,649.72
  4. Step 4: Simplify right side
    57,814.47x = 2,311,073,179.05
  5. Step 5: Solve for x
    x = 2,311,073,179.05/57,814.47
  6. Step 6: Final answer
    x = 39,973.96

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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.