Home / 55,543.46-76,685.74-49,564.85

Finding the Fourth Proportional to 55,543.46, 76,685.74 and 49,564.85

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Solution

The fourth proportional to 55,543.46, 76,685.74 and 49,564.85 is: 68,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,543.46 : 76,685.74 = 49,564.85 : x
  2. Step 2: Convert to fraction form
    55,543.46/76,685.74 = 49,564.85/x
  3. Step 3: Cross multiply
    55,543.46x = 76,685.74 × 49,564.85
  4. Step 4: Simplify right side
    55,543.46x = 3,800,916,692.90
  5. Step 5: Solve for x
    x = 3,800,916,692.90/55,543.46
  6. Step 6: Final answer
    x = 68,431.41

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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.