Home / 95,043.48-142,749.75-69,984.56

Finding the Fourth Proportional to 95,043.48, 142,749.75 and 69,984.56

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Solution

The fourth proportional to 95,043.48, 142,749.75 and 69,984.56 is: 105,112.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,043.48 : 142,749.75 = 69,984.56 : x
  2. Step 2: Convert to fraction form
    95,043.48/142,749.75 = 69,984.56/x
  3. Step 3: Cross multiply
    95,043.48x = 142,749.75 × 69,984.56
  4. Step 4: Simplify right side
    95,043.48x = 9,990,277,730.11
  5. Step 5: Solve for x
    x = 9,990,277,730.11/95,043.48
  6. Step 6: Final answer
    x = 105,112.71

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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.