Home / 96,781.96-133,573.78-59,078.12

Finding the Fourth Proportional to 96,781.96, 133,573.78 and 59,078.12

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Solution

The fourth proportional to 96,781.96, 133,573.78 and 59,078.12 is: 81,536.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,781.96 : 133,573.78 = 59,078.12 : x
  2. Step 2: Convert to fraction form
    96,781.96/133,573.78 = 59,078.12/x
  3. Step 3: Cross multiply
    96,781.96x = 133,573.78 × 59,078.12
  4. Step 4: Simplify right side
    96,781.96x = 7,891,287,803.69
  5. Step 5: Solve for x
    x = 7,891,287,803.69/96,781.96
  6. Step 6: Final answer
    x = 81,536.76

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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.