Home / 55,631.84-76,771.53-31,758.46

Finding the Fourth Proportional to 55,631.84, 76,771.53 and 31,758.46

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Solution

The fourth proportional to 55,631.84, 76,771.53 and 31,758.46 is: 43,826.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,631.84 : 76,771.53 = 31,758.46 : x
  2. Step 2: Convert to fraction form
    55,631.84/76,771.53 = 31,758.46/x
  3. Step 3: Cross multiply
    55,631.84x = 76,771.53 × 31,758.46
  4. Step 4: Simplify right side
    55,631.84x = 2,438,145,372.71
  5. Step 5: Solve for x
    x = 2,438,145,372.71/55,631.84
  6. Step 6: Final answer
    x = 43,826.44

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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.