Home / 56,720.62-85,093.23-17,276.70

Finding the Fourth Proportional to 56,720.62, 85,093.23 and 17,276.70

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Solution

The fourth proportional to 56,720.62, 85,093.23 and 17,276.70 is: 25,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,720.62 : 85,093.23 = 17,276.70 : x
  2. Step 2: Convert to fraction form
    56,720.62/85,093.23 = 17,276.70/x
  3. Step 3: Cross multiply
    56,720.62x = 85,093.23 × 17,276.70
  4. Step 4: Simplify right side
    56,720.62x = 1,470,130,206.74
  5. Step 5: Solve for x
    x = 1,470,130,206.74/56,720.62
  6. Step 6: Final answer
    x = 25,918.80

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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.