Home / 67,812.55-93,562.33-39,512.77

Finding the Fourth Proportional to 67,812.55, 93,562.33 and 39,512.77

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Solution

The fourth proportional to 67,812.55, 93,562.33 and 39,512.77 is: 54,516.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,812.55 : 93,562.33 = 39,512.77 : x
  2. Step 2: Convert to fraction form
    67,812.55/93,562.33 = 39,512.77/x
  3. Step 3: Cross multiply
    67,812.55x = 93,562.33 × 39,512.77
  4. Step 4: Simplify right side
    67,812.55x = 3,696,906,825.95
  5. Step 5: Solve for x
    x = 3,696,906,825.95/67,812.55
  6. Step 6: Final answer
    x = 54,516.56

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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.