Home / 43,080.83-64,621.55-15,000.83

Finding the Fourth Proportional to 43,080.83, 64,621.55 and 15,000.83

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Solution

The fourth proportional to 43,080.83, 64,621.55 and 15,000.83 is: 22,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,080.83 : 64,621.55 = 15,000.83 : x
  2. Step 2: Convert to fraction form
    43,080.83/64,621.55 = 15,000.83/x
  3. Step 3: Cross multiply
    43,080.83x = 64,621.55 × 15,000.83
  4. Step 4: Simplify right side
    43,080.83x = 969,377,084.94
  5. Step 5: Solve for x
    x = 969,377,084.94/43,080.83
  6. Step 6: Final answer
    x = 22,501.36

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Double scale
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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.