Home / 55,986.10-83,979.15-16,543.60

Finding the Fourth Proportional to 55,986.10, 83,979.15 and 16,543.60

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Solution

The fourth proportional to 55,986.10, 83,979.15 and 16,543.60 is: 24,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,986.10 : 83,979.15 = 16,543.60 : x
  2. Step 2: Convert to fraction form
    55,986.10/83,979.15 = 16,543.60/x
  3. Step 3: Cross multiply
    55,986.10x = 83,979.15 × 16,543.60
  4. Step 4: Simplify right side
    55,986.10x = 1,389,317,465.94
  5. Step 5: Solve for x
    x = 1,389,317,465.94/55,986.10
  6. Step 6: Final answer
    x = 24,815.40

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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.