Home / 55,765.34-76,956.45-31,893.02

Finding the Fourth Proportional to 55,765.34, 76,956.45 and 31,893.02

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Solution

The fourth proportional to 55,765.34, 76,956.45 and 31,893.02 is: 44,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,765.34 : 76,956.45 = 31,893.02 : x
  2. Step 2: Convert to fraction form
    55,765.34/76,956.45 = 31,893.02/x
  3. Step 3: Cross multiply
    55,765.34x = 76,956.45 × 31,893.02
  4. Step 4: Simplify right side
    55,765.34x = 2,454,373,598.98
  5. Step 5: Solve for x
    x = 2,454,373,598.98/55,765.34
  6. Step 6: Final answer
    x = 44,012.53

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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.