Home / 77,931.09-116,812.77-33,578.73

Finding the Fourth Proportional to 77,931.09, 116,812.77 and 33,578.73

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Solution

The fourth proportional to 77,931.09, 116,812.77 and 33,578.73 is: 50,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,931.09 : 116,812.77 = 33,578.73 : x
  2. Step 2: Convert to fraction form
    77,931.09/116,812.77 = 33,578.73/x
  3. Step 3: Cross multiply
    77,931.09x = 116,812.77 × 33,578.73
  4. Step 4: Simplify right side
    77,931.09x = 3,922,424,464.38
  5. Step 5: Solve for x
    x = 3,922,424,464.38/77,931.09
  6. Step 6: Final answer
    x = 50,331.96

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1.5x scale

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.