Home / 85,288.20-117,696.26-47,051.42

Finding the Fourth Proportional to 85,288.20, 117,696.26 and 47,051.42

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Solution

The fourth proportional to 85,288.20, 117,696.26 and 47,051.42 is: 64,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,288.20 : 117,696.26 = 47,051.42 : x
  2. Step 2: Convert to fraction form
    85,288.20/117,696.26 = 47,051.42/x
  3. Step 3: Cross multiply
    85,288.20x = 117,696.26 × 47,051.42
  4. Step 4: Simplify right side
    85,288.20x = 5,537,775,337.95
  5. Step 5: Solve for x
    x = 5,537,775,337.95/85,288.20
  6. Step 6: Final answer
    x = 64,930.15

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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.