Home / 96,639.89-133,361.44-54,197.51

Finding the Fourth Proportional to 96,639.89, 133,361.44 and 54,197.51

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Solution

The fourth proportional to 96,639.89, 133,361.44 and 54,197.51 is: 74,791.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,639.89 : 133,361.44 = 54,197.51 : x
  2. Step 2: Convert to fraction form
    96,639.89/133,361.44 = 54,197.51/x
  3. Step 3: Cross multiply
    96,639.89x = 133,361.44 × 54,197.51
  4. Step 4: Simplify right side
    96,639.89x = 7,227,857,175.71
  5. Step 5: Solve for x
    x = 7,227,857,175.71/96,639.89
  6. Step 6: Final answer
    x = 74,791.66

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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.