Home / 76,012.76-104,935.02-47,734.04

Finding the Fourth Proportional to 76,012.76, 104,935.02 and 47,734.04

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Solution

The fourth proportional to 76,012.76, 104,935.02 and 47,734.04 is: 65,896.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,012.76 : 104,935.02 = 47,734.04 : x
  2. Step 2: Convert to fraction form
    76,012.76/104,935.02 = 47,734.04/x
  3. Step 3: Cross multiply
    76,012.76x = 104,935.02 × 47,734.04
  4. Step 4: Simplify right side
    76,012.76x = 5,008,972,442.08
  5. Step 5: Solve for x
    x = 5,008,972,442.08/76,012.76
  6. Step 6: Final answer
    x = 65,896.47

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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.