Home / 85,266.72-117,669.12-49,458.24

Finding the Fourth Proportional to 85,266.72, 117,669.12 and 49,458.24

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Solution

The fourth proportional to 85,266.72, 117,669.12 and 49,458.24 is: 68,252.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,266.72 : 117,669.12 = 49,458.24 : x
  2. Step 2: Convert to fraction form
    85,266.72/117,669.12 = 49,458.24/x
  3. Step 3: Cross multiply
    85,266.72x = 117,669.12 × 49,458.24
  4. Step 4: Simplify right side
    85,266.72x = 5,819,707,577.55
  5. Step 5: Solve for x
    x = 5,819,707,577.55/85,266.72
  6. Step 6: Final answer
    x = 68,252.98

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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.