Home / 96,404.90-144,358.20-66,511.31

Finding the Fourth Proportional to 96,404.90, 144,358.20 and 66,511.31

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Solution

The fourth proportional to 96,404.90, 144,358.20 and 66,511.31 is: 99,595.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,404.90 : 144,358.20 = 66,511.31 : x
  2. Step 2: Convert to fraction form
    96,404.90/144,358.20 = 66,511.31/x
  3. Step 3: Cross multiply
    96,404.90x = 144,358.20 × 66,511.31
  4. Step 4: Simplify right side
    96,404.90x = 9,601,452,269.45
  5. Step 5: Solve for x
    x = 9,601,452,269.45/96,404.90
  6. Step 6: Final answer
    x = 99,595.07

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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.