Home / 57,315.96-85,815.99-43,233.36

Finding the Fourth Proportional to 57,315.96, 85,815.99 and 43,233.36

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Solution

The fourth proportional to 57,315.96, 85,815.99 and 43,233.36 is: 64,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,315.96 : 85,815.99 = 43,233.36 : x
  2. Step 2: Convert to fraction form
    57,315.96/85,815.99 = 43,233.36/x
  3. Step 3: Cross multiply
    57,315.96x = 85,815.99 × 43,233.36
  4. Step 4: Simplify right side
    57,315.96x = 3,710,113,589.43
  5. Step 5: Solve for x
    x = 3,710,113,589.43/57,315.96
  6. Step 6: Final answer
    x = 64,730.90

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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.