Home / 95,747.80-132,128.40-53,305.42

Finding the Fourth Proportional to 95,747.80, 132,128.40 and 53,305.42

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Solution

The fourth proportional to 95,747.80, 132,128.40 and 53,305.42 is: 73,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,747.80 : 132,128.40 = 53,305.42 : x
  2. Step 2: Convert to fraction form
    95,747.80/132,128.40 = 53,305.42/x
  3. Step 3: Cross multiply
    95,747.80x = 132,128.40 × 53,305.42
  4. Step 4: Simplify right side
    95,747.80x = 7,043,159,855.93
  5. Step 5: Solve for x
    x = 7,043,159,855.93/95,747.80
  6. Step 6: Final answer
    x = 73,559.50

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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.