Home / 51,265.48-70,741.45-31,133.39

Finding the Fourth Proportional to 51,265.48, 70,741.45 and 31,133.39

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Solution

The fourth proportional to 51,265.48, 70,741.45 and 31,133.39 is: 42,961.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,265.48 : 70,741.45 = 31,133.39 : x
  2. Step 2: Convert to fraction form
    51,265.48/70,741.45 = 31,133.39/x
  3. Step 3: Cross multiply
    51,265.48x = 70,741.45 × 31,133.39
  4. Step 4: Simplify right side
    51,265.48x = 2,202,420,720.47
  5. Step 5: Solve for x
    x = 2,202,420,720.47/51,265.48
  6. Step 6: Final answer
    x = 42,961.09

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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.