Home / 75,611.86-104,354.31-43,359.10

Finding the Fourth Proportional to 75,611.86, 104,354.31 and 43,359.10

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Solution

The fourth proportional to 75,611.86, 104,354.31 and 43,359.10 is: 59,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,611.86 : 104,354.31 = 43,359.10 : x
  2. Step 2: Convert to fraction form
    75,611.86/104,354.31 = 43,359.10/x
  3. Step 3: Cross multiply
    75,611.86x = 104,354.31 × 43,359.10
  4. Step 4: Simplify right side
    75,611.86x = 4,524,709,115.21
  5. Step 5: Solve for x
    x = 4,524,709,115.21/75,611.86
  6. Step 6: Final answer
    x = 59,841.26

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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.