Home / 85,252.82-117,646.18-47,013.98

Finding the Fourth Proportional to 85,252.82, 117,646.18 and 47,013.98

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Solution

The fourth proportional to 85,252.82, 117,646.18 and 47,013.98 is: 64,877.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,252.82 : 117,646.18 = 47,013.98 : x
  2. Step 2: Convert to fraction form
    85,252.82/117,646.18 = 47,013.98/x
  3. Step 3: Cross multiply
    85,252.82x = 117,646.18 × 47,013.98
  4. Step 4: Simplify right side
    85,252.82x = 5,531,014,447.83
  5. Step 5: Solve for x
    x = 5,531,014,447.83/85,252.82
  6. Step 6: Final answer
    x = 64,877.79

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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.