Home / 56,519.20-84,778.80-43,437.60

Finding the Fourth Proportional to 56,519.20, 84,778.80 and 43,437.60

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Solution

The fourth proportional to 56,519.20, 84,778.80 and 43,437.60 is: 65,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,519.20 : 84,778.80 = 43,437.60 : x
  2. Step 2: Convert to fraction form
    56,519.20/84,778.80 = 43,437.60/x
  3. Step 3: Cross multiply
    56,519.20x = 84,778.80 × 43,437.60
  4. Step 4: Simplify right side
    56,519.20x = 3,682,587,602.88
  5. Step 5: Solve for x
    x = 3,682,587,602.88/56,519.20
  6. Step 6: Final answer
    x = 65,156.40

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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.