Home / 67,812.05-93,561.64-39,512.27

Finding the Fourth Proportional to 67,812.05, 93,561.64 and 39,512.27

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Solution

The fourth proportional to 67,812.05, 93,561.64 and 39,512.27 is: 54,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,812.05 : 93,561.64 = 39,512.27 : x
  2. Step 2: Convert to fraction form
    67,812.05/93,561.64 = 39,512.27/x
  3. Step 3: Cross multiply
    67,812.05x = 93,561.64 × 39,512.27
  4. Step 4: Simplify right side
    67,812.05x = 3,696,832,781.32
  5. Step 5: Solve for x
    x = 3,696,832,781.32/67,812.05
  6. Step 6: Final answer
    x = 54,515.87

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1.5x scale

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.