Home / 95,538.81-143,308.56-28,979.52

Finding the Fourth Proportional to 95,538.81, 143,308.56 and 28,979.52

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Solution

The fourth proportional to 95,538.81, 143,308.56 and 28,979.52 is: 43,469.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,538.81 : 143,308.56 = 28,979.52 : x
  2. Step 2: Convert to fraction form
    95,538.81/143,308.56 = 28,979.52/x
  3. Step 3: Cross multiply
    95,538.81x = 143,308.56 × 28,979.52
  4. Step 4: Simplify right side
    95,538.81x = 4,153,013,280.69
  5. Step 5: Solve for x
    x = 4,153,013,280.69/95,538.81
  6. Step 6: Final answer
    x = 43,469.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.