Home / 80,323.02-120,362.49-63,613.26

Finding the Fourth Proportional to 80,323.02, 120,362.49 and 63,613.26

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Solution

The fourth proportional to 80,323.02, 120,362.49 and 63,613.26 is: 95,323.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,323.02 : 120,362.49 = 63,613.26 : x
  2. Step 2: Convert to fraction form
    80,323.02/120,362.49 = 63,613.26/x
  3. Step 3: Cross multiply
    80,323.02x = 120,362.49 × 63,613.26
  4. Step 4: Simplify right side
    80,323.02x = 7,656,650,370.62
  5. Step 5: Solve for x
    x = 7,656,650,370.62/80,323.02
  6. Step 6: Final answer
    x = 95,323.24

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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.