Home / 96,613.60-133,172.68-76,162.32

Finding the Fourth Proportional to 96,613.60, 133,172.68 and 76,162.32

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Solution

The fourth proportional to 96,613.60, 133,172.68 and 76,162.32 is: 104,982.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,613.60 : 133,172.68 = 76,162.32 : x
  2. Step 2: Convert to fraction form
    96,613.60/133,172.68 = 76,162.32/x
  3. Step 3: Cross multiply
    96,613.60x = 133,172.68 × 76,162.32
  4. Step 4: Simplify right side
    96,613.60x = 10,142,740,269.42
  5. Step 5: Solve for x
    x = 10,142,740,269.42/96,613.60
  6. Step 6: Final answer
    x = 104,982.53

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1.5x scale

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.