Home / 112,689.48-169,021.42-29,589.96

Finding the Fourth Proportional to 112,689.48, 169,021.42 and 29,589.96

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Solution

The fourth proportional to 112,689.48, 169,021.42 and 29,589.96 is: 44,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,689.48 : 169,021.42 = 29,589.96 : x
  2. Step 2: Convert to fraction form
    112,689.48/169,021.42 = 29,589.96/x
  3. Step 3: Cross multiply
    112,689.48x = 169,021.42 × 29,589.96
  4. Step 4: Simplify right side
    112,689.48x = 5,001,337,056.94
  5. Step 5: Solve for x
    x = 5,001,337,056.94/112,689.48
  6. Step 6: Final answer
    x = 44,381.58

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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.