Home / 71,184.53-98,229.84-39,349.10

Finding the Fourth Proportional to 71,184.53, 98,229.84 and 39,349.10

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Solution

The fourth proportional to 71,184.53, 98,229.84 and 39,349.10 is: 54,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,184.53 : 98,229.84 = 39,349.10 : x
  2. Step 2: Convert to fraction form
    71,184.53/98,229.84 = 39,349.10/x
  3. Step 3: Cross multiply
    71,184.53x = 98,229.84 × 39,349.10
  4. Step 4: Simplify right side
    71,184.53x = 3,865,255,797.14
  5. Step 5: Solve for x
    x = 3,865,255,797.14/71,184.53
  6. Step 6: Final answer
    x = 54,299.10

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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.