Home / 55,839.56-77,090.40-36,774.74

Finding the Fourth Proportional to 55,839.56, 77,090.40 and 36,774.74

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Solution

The fourth proportional to 55,839.56, 77,090.40 and 36,774.74 is: 50,770.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,839.56 : 77,090.40 = 36,774.74 : x
  2. Step 2: Convert to fraction form
    55,839.56/77,090.40 = 36,774.74/x
  3. Step 3: Cross multiply
    55,839.56x = 77,090.40 × 36,774.74
  4. Step 4: Simplify right side
    55,839.56x = 2,834,979,031.04
  5. Step 5: Solve for x
    x = 2,834,979,031.04/55,839.56
  6. Step 6: Final answer
    x = 50,770.09

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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.