Home / 43,486.66-65,179.59-20,064.34

Finding the Fourth Proportional to 43,486.66, 65,179.59 and 20,064.34

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Solution

The fourth proportional to 43,486.66, 65,179.59 and 20,064.34 is: 30,073.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,486.66 : 65,179.59 = 20,064.34 : x
  2. Step 2: Convert to fraction form
    43,486.66/65,179.59 = 20,064.34/x
  3. Step 3: Cross multiply
    43,486.66x = 65,179.59 × 20,064.34
  4. Step 4: Simplify right side
    43,486.66x = 1,307,785,454.82
  5. Step 5: Solve for x
    x = 1,307,785,454.82/43,486.66
  6. Step 6: Final answer
    x = 30,073.26

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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.