Home / 67,129.75-92,637.09-36,915.04

Finding the Fourth Proportional to 67,129.75, 92,637.09 and 36,915.04

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Solution

The fourth proportional to 67,129.75, 92,637.09 and 36,915.04 is: 50,941.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,129.75 : 92,637.09 = 36,915.04 : x
  2. Step 2: Convert to fraction form
    67,129.75/92,637.09 = 36,915.04/x
  3. Step 3: Cross multiply
    67,129.75x = 92,637.09 × 36,915.04
  4. Step 4: Simplify right side
    67,129.75x = 3,419,701,882.83
  5. Step 5: Solve for x
    x = 3,419,701,882.83/67,129.75
  6. Step 6: Final answer
    x = 50,941.67

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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.