Home / 69,127.17-103,690.08-31,676.63

Finding the Fourth Proportional to 69,127.17, 103,690.08 and 31,676.63

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Solution

The fourth proportional to 69,127.17, 103,690.08 and 31,676.63 is: 47,514.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,127.17 : 103,690.08 = 31,676.63 : x
  2. Step 2: Convert to fraction form
    69,127.17/103,690.08 = 31,676.63/x
  3. Step 3: Cross multiply
    69,127.17x = 103,690.08 × 31,676.63
  4. Step 4: Simplify right side
    69,127.17x = 3,284,551,780.38
  5. Step 5: Solve for x
    x = 3,284,551,780.38/69,127.17
  6. Step 6: Final answer
    x = 47,514.63

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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.