Home / 51,390.07-77,028.50-33,613.40

Finding the Fourth Proportional to 51,390.07, 77,028.50 and 33,613.40

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Solution

The fourth proportional to 51,390.07, 77,028.50 and 33,613.40 is: 50,383.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,390.07 : 77,028.50 = 33,613.40 : x
  2. Step 2: Convert to fraction form
    51,390.07/77,028.50 = 33,613.40/x
  3. Step 3: Cross multiply
    51,390.07x = 77,028.50 × 33,613.40
  4. Step 4: Simplify right side
    51,390.07x = 2,589,190,058.50
  5. Step 5: Solve for x
    x = 2,589,190,058.50/51,390.07
  6. Step 6: Final answer
    x = 50,383.08

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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.