Home / 77,628.73-116,360.04-40,151.07

Finding the Fourth Proportional to 77,628.73, 116,360.04 and 40,151.07

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Solution

The fourth proportional to 77,628.73, 116,360.04 and 40,151.07 is: 60,183.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,628.73 : 116,360.04 = 40,151.07 : x
  2. Step 2: Convert to fraction form
    77,628.73/116,360.04 = 40,151.07/x
  3. Step 3: Cross multiply
    77,628.73x = 116,360.04 × 40,151.07
  4. Step 4: Simplify right side
    77,628.73x = 4,671,979,934.55
  5. Step 5: Solve for x
    x = 4,671,979,934.55/77,628.73
  6. Step 6: Final answer
    x = 60,183.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.