Home / 76,881.04-106,062.36-48,183.04

Finding the Fourth Proportional to 76,881.04, 106,062.36 and 48,183.04

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Solution

The fourth proportional to 76,881.04, 106,062.36 and 48,183.04 is: 66,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,881.04 : 106,062.36 = 48,183.04 : x
  2. Step 2: Convert to fraction form
    76,881.04/106,062.36 = 48,183.04/x
  3. Step 3: Cross multiply
    76,881.04x = 106,062.36 × 48,183.04
  4. Step 4: Simplify right side
    76,881.04x = 5,110,406,934.37
  5. Step 5: Solve for x
    x = 5,110,406,934.37/76,881.04
  6. Step 6: Final answer
    x = 66,471.62

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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.