Home / 95,129.49-131,366.94-71,214.64

Finding the Fourth Proportional to 95,129.49, 131,366.94 and 71,214.64

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Solution

The fourth proportional to 95,129.49, 131,366.94 and 71,214.64 is: 98,342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,129.49 : 131,366.94 = 71,214.64 : x
  2. Step 2: Convert to fraction form
    95,129.49/131,366.94 = 71,214.64/x
  3. Step 3: Cross multiply
    95,129.49x = 131,366.94 × 71,214.64
  4. Step 4: Simplify right side
    95,129.49x = 9,355,249,683.76
  5. Step 5: Solve for x
    x = 9,355,249,683.76/95,129.49
  6. Step 6: Final answer
    x = 98,342.27

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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.