Home / 48,197.12-72,293.56-13,136.78

Finding the Fourth Proportional to 48,197.12, 72,293.56 and 13,136.78

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Solution

The fourth proportional to 48,197.12, 72,293.56 and 13,136.78 is: 19,704.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,197.12 : 72,293.56 = 13,136.78 : x
  2. Step 2: Convert to fraction form
    48,197.12/72,293.56 = 13,136.78/x
  3. Step 3: Cross multiply
    48,197.12x = 72,293.56 × 13,136.78
  4. Step 4: Simplify right side
    48,197.12x = 949,704,165.99
  5. Step 5: Solve for x
    x = 949,704,165.99/48,197.12
  6. Step 6: Final answer
    x = 19,704.58

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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.