Home / 85,071.44-117,405.36-49,262.08

Finding the Fourth Proportional to 85,071.44, 117,405.36 and 49,262.08

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Solution

The fourth proportional to 85,071.44, 117,405.36 and 49,262.08 is: 67,985.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,071.44 : 117,405.36 = 49,262.08 : x
  2. Step 2: Convert to fraction form
    85,071.44/117,405.36 = 49,262.08/x
  3. Step 3: Cross multiply
    85,071.44x = 117,405.36 × 49,262.08
  4. Step 4: Simplify right side
    85,071.44x = 5,783,631,943.24
  5. Step 5: Solve for x
    x = 5,783,631,943.24/85,071.44
  6. Step 6: Final answer
    x = 67,985.59

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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.