Home / 91,175.39-125,809.49-50,885.38

Finding the Fourth Proportional to 91,175.39, 125,809.49 and 50,885.38

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Solution

The fourth proportional to 91,175.39, 125,809.49 and 50,885.38 is: 70,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,175.39 : 125,809.49 = 50,885.38 : x
  2. Step 2: Convert to fraction form
    91,175.39/125,809.49 = 50,885.38/x
  3. Step 3: Cross multiply
    91,175.39x = 125,809.49 × 50,885.38
  4. Step 4: Simplify right side
    91,175.39x = 6,401,863,706.26
  5. Step 5: Solve for x
    x = 6,401,863,706.26/91,175.39
  6. Step 6: Final answer
    x = 70,214.82

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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.