Home / 56,775.20-85,047.60-32,122.40

Finding the Fourth Proportional to 56,775.20, 85,047.60 and 32,122.40

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Solution

The fourth proportional to 56,775.20, 85,047.60 and 32,122.40 is: 48,118.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,775.20 : 85,047.60 = 32,122.40 : x
  2. Step 2: Convert to fraction form
    56,775.20/85,047.60 = 32,122.40/x
  3. Step 3: Cross multiply
    56,775.20x = 85,047.60 × 32,122.40
  4. Step 4: Simplify right side
    56,775.20x = 2,731,933,026.24
  5. Step 5: Solve for x
    x = 2,731,933,026.24/56,775.20
  6. Step 6: Final answer
    x = 48,118.42

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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.