Home / 104,043.86-143,582.37-58,730.90

Finding the Fourth Proportional to 104,043.86, 143,582.37 and 58,730.90

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Solution

The fourth proportional to 104,043.86, 143,582.37 and 58,730.90 is: 81,049.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,043.86 : 143,582.37 = 58,730.90 : x
  2. Step 2: Convert to fraction form
    104,043.86/143,582.37 = 58,730.90/x
  3. Step 3: Cross multiply
    104,043.86x = 143,582.37 × 58,730.90
  4. Step 4: Simplify right side
    104,043.86x = 8,432,721,814.23
  5. Step 5: Solve for x
    x = 8,432,721,814.23/104,043.86
  6. Step 6: Final answer
    x = 81,049.68

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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.