Home / 56,779.50-85,072.39-40,107.44

Finding the Fourth Proportional to 56,779.50, 85,072.39 and 40,107.44

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Solution

The fourth proportional to 56,779.50, 85,072.39 and 40,107.44 is: 60,092.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,779.50 : 85,072.39 = 40,107.44 : x
  2. Step 2: Convert to fraction form
    56,779.50/85,072.39 = 40,107.44/x
  3. Step 3: Cross multiply
    56,779.50x = 85,072.39 × 40,107.44
  4. Step 4: Simplify right side
    56,779.50x = 3,412,035,777.58
  5. Step 5: Solve for x
    x = 3,412,035,777.58/56,779.50
  6. Step 6: Final answer
    x = 60,092.74

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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.