Home / 71,814.12-99,145.92-63,833.27

Finding the Fourth Proportional to 71,814.12, 99,145.92 and 63,833.27

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Solution

The fourth proportional to 71,814.12, 99,145.92 and 63,833.27 is: 88,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,814.12 : 99,145.92 = 63,833.27 : x
  2. Step 2: Convert to fraction form
    71,814.12/99,145.92 = 63,833.27/x
  3. Step 3: Cross multiply
    71,814.12x = 99,145.92 × 63,833.27
  4. Step 4: Simplify right side
    71,814.12x = 6,328,807,465.86
  5. Step 5: Solve for x
    x = 6,328,807,465.86/71,814.12
  6. Step 6: Final answer
    x = 88,127.63

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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.