Home / 51,202.11-70,656.66-28,543.59

Finding the Fourth Proportional to 51,202.11, 70,656.66 and 28,543.59

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Solution

The fourth proportional to 51,202.11, 70,656.66 and 28,543.59 is: 39,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,202.11 : 70,656.66 = 28,543.59 : x
  2. Step 2: Convert to fraction form
    51,202.11/70,656.66 = 28,543.59/x
  3. Step 3: Cross multiply
    51,202.11x = 70,656.66 × 28,543.59
  4. Step 4: Simplify right side
    51,202.11x = 2,016,794,733.81
  5. Step 5: Solve for x
    x = 2,016,794,733.81/51,202.11
  6. Step 6: Final answer
    x = 39,388.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.