Home / 55,874.15-83,811.23-16,431.60

Finding the Fourth Proportional to 55,874.15, 83,811.23 and 16,431.60

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Solution

The fourth proportional to 55,874.15, 83,811.23 and 16,431.60 is: 24,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,874.15 : 83,811.23 = 16,431.60 : x
  2. Step 2: Convert to fraction form
    55,874.15/83,811.23 = 16,431.60/x
  3. Step 3: Cross multiply
    55,874.15x = 83,811.23 × 16,431.60
  4. Step 4: Simplify right side
    55,874.15x = 1,377,152,524.71
  5. Step 5: Solve for x
    x = 1,377,152,524.71/55,874.15
  6. Step 6: Final answer
    x = 24,647.40

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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.