Home / 56,720.58-85,080.87-15,166.50

Finding the Fourth Proportional to 56,720.58, 85,080.87 and 15,166.50

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Solution

The fourth proportional to 56,720.58, 85,080.87 and 15,166.50 is: 22,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,720.58 : 85,080.87 = 15,166.50 : x
  2. Step 2: Convert to fraction form
    56,720.58/85,080.87 = 15,166.50/x
  3. Step 3: Cross multiply
    56,720.58x = 85,080.87 × 15,166.50
  4. Step 4: Simplify right side
    56,720.58x = 1,290,379,014.86
  5. Step 5: Solve for x
    x = 1,290,379,014.86/56,720.58
  6. Step 6: Final answer
    x = 22,749.75

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Similar ratio
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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.