Home / 57,315.78-79,095.82-32,165.28

Finding the Fourth Proportional to 57,315.78, 79,095.82 and 32,165.28

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Solution

The fourth proportional to 57,315.78, 79,095.82 and 32,165.28 is: 44,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,315.78 : 79,095.82 = 32,165.28 : x
  2. Step 2: Convert to fraction form
    57,315.78/79,095.82 = 32,165.28/x
  3. Step 3: Cross multiply
    57,315.78x = 79,095.82 × 32,165.28
  4. Step 4: Simplify right side
    57,315.78x = 2,544,139,197.13
  5. Step 5: Solve for x
    x = 2,544,139,197.13/57,315.78
  6. Step 6: Final answer
    x = 44,388.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.