Home / 49,543.36-74,314.76-12,103.64

Finding the Fourth Proportional to 49,543.36, 74,314.76 and 12,103.64

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Solution

The fourth proportional to 49,543.36, 74,314.76 and 12,103.64 is: 18,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,543.36 : 74,314.76 = 12,103.64 : x
  2. Step 2: Convert to fraction form
    49,543.36/74,314.76 = 12,103.64/x
  3. Step 3: Cross multiply
    49,543.36x = 74,314.76 × 12,103.64
  4. Step 4: Simplify right side
    49,543.36x = 899,479,101.73
  5. Step 5: Solve for x
    x = 899,479,101.73/49,543.36
  6. Step 6: Final answer
    x = 18,155.39

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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.