Home / 96,876.86-133,755.26-86,636.12

Finding the Fourth Proportional to 96,876.86, 133,755.26 and 86,636.12

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Solution

The fourth proportional to 96,876.86, 133,755.26 and 86,636.12 is: 119,616.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,876.86 : 133,755.26 = 86,636.12 : x
  2. Step 2: Convert to fraction form
    96,876.86/133,755.26 = 86,636.12/x
  3. Step 3: Cross multiply
    96,876.86x = 133,755.26 × 86,636.12
  4. Step 4: Simplify right side
    96,876.86x = 11,588,035,654.03
  5. Step 5: Solve for x
    x = 11,588,035,654.03/96,876.86
  6. Step 6: Final answer
    x = 119,616.14

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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.