Home / 56,720.15-85,060.39-16,728.52

Finding the Fourth Proportional to 56,720.15, 85,060.39 and 16,728.52

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Solution

The fourth proportional to 56,720.15, 85,060.39 and 16,728.52 is: 25,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,720.15 : 85,060.39 = 16,728.52 : x
  2. Step 2: Convert to fraction form
    56,720.15/85,060.39 = 16,728.52/x
  3. Step 3: Cross multiply
    56,720.15x = 85,060.39 × 16,728.52
  4. Step 4: Simplify right side
    56,720.15x = 1,422,934,563.89
  5. Step 5: Solve for x
    x = 1,422,934,563.89/56,720.15
  6. Step 6: Final answer
    x = 25,086.93

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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.