Home / 55,186.40-82,779.60-49,062.80

Finding the Fourth Proportional to 55,186.40, 82,779.60 and 49,062.80

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Solution

The fourth proportional to 55,186.40, 82,779.60 and 49,062.80 is: 73,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,186.40 : 82,779.60 = 49,062.80 : x
  2. Step 2: Convert to fraction form
    55,186.40/82,779.60 = 49,062.80/x
  3. Step 3: Cross multiply
    55,186.40x = 82,779.60 × 49,062.80
  4. Step 4: Simplify right side
    55,186.40x = 4,061,398,958.88
  5. Step 5: Solve for x
    x = 4,061,398,958.88/55,186.40
  6. Step 6: Final answer
    x = 73,594.20

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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.