Home / 110,669.55-152,737.70-67,640.19

Finding the Fourth Proportional to 110,669.55, 152,737.70 and 67,640.19

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Solution

The fourth proportional to 110,669.55, 152,737.70 and 67,640.19 is: 93,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,669.55 : 152,737.70 = 67,640.19 : x
  2. Step 2: Convert to fraction form
    110,669.55/152,737.70 = 67,640.19/x
  3. Step 3: Cross multiply
    110,669.55x = 152,737.70 × 67,640.19
  4. Step 4: Simplify right side
    110,669.55x = 10,331,206,709.96
  5. Step 5: Solve for x
    x = 10,331,206,709.96/110,669.55
  6. Step 6: Final answer
    x = 93,351.85

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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.