Home / 112,814.21-169,043.29-41,638.88

Finding the Fourth Proportional to 112,814.21, 169,043.29 and 41,638.88

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Solution

The fourth proportional to 112,814.21, 169,043.29 and 41,638.88 is: 62,392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,814.21 : 169,043.29 = 41,638.88 : x
  2. Step 2: Convert to fraction form
    112,814.21/169,043.29 = 41,638.88/x
  3. Step 3: Cross multiply
    112,814.21x = 169,043.29 × 41,638.88
  4. Step 4: Simplify right side
    112,814.21x = 7,038,773,267.12
  5. Step 5: Solve for x
    x = 7,038,773,267.12/112,814.21
  6. Step 6: Final answer
    x = 62,392.61

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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.