Home / 55,836.72-77,052.60-31,962.78

Finding the Fourth Proportional to 55,836.72, 77,052.60 and 31,962.78

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Solution

The fourth proportional to 55,836.72, 77,052.60 and 31,962.78 is: 44,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,836.72 : 77,052.60 = 31,962.78 : x
  2. Step 2: Convert to fraction form
    55,836.72/77,052.60 = 31,962.78/x
  3. Step 3: Cross multiply
    55,836.72x = 77,052.60 × 31,962.78
  4. Step 4: Simplify right side
    55,836.72x = 2,462,815,302.23
  5. Step 5: Solve for x
    x = 2,462,815,302.23/55,836.72
  6. Step 6: Final answer
    x = 44,107.45

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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.