Home / 76,136.30-114,196.24-19,982.04

Finding the Fourth Proportional to 76,136.30, 114,196.24 and 19,982.04

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Solution

The fourth proportional to 76,136.30, 114,196.24 and 19,982.04 is: 29,970.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,136.30 : 114,196.24 = 19,982.04 : x
  2. Step 2: Convert to fraction form
    76,136.30/114,196.24 = 19,982.04/x
  3. Step 3: Cross multiply
    76,136.30x = 114,196.24 × 19,982.04
  4. Step 4: Simplify right side
    76,136.30x = 2,281,873,835.53
  5. Step 5: Solve for x
    x = 2,281,873,835.53/76,136.30
  6. Step 6: Final answer
    x = 29,970.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.