Home / 55,765.85-76,956.96-33,109.37

Finding the Fourth Proportional to 55,765.85, 76,956.96 and 33,109.37

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Solution

The fourth proportional to 55,765.85, 76,956.96 and 33,109.37 is: 45,690.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,765.85 : 76,956.96 = 33,109.37 : x
  2. Step 2: Convert to fraction form
    55,765.85/76,956.96 = 33,109.37/x
  3. Step 3: Cross multiply
    55,765.85x = 76,956.96 × 33,109.37
  4. Step 4: Simplify right side
    55,765.85x = 2,547,996,077.93
  5. Step 5: Solve for x
    x = 2,547,996,077.93/55,765.85
  6. Step 6: Final answer
    x = 45,690.98

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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.