Home / 94,717.92-129,761.64-91,172.64

Finding the Fourth Proportional to 94,717.92, 129,761.64 and 91,172.64

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Solution

The fourth proportional to 94,717.92, 129,761.64 and 91,172.64 is: 124,904.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,717.92 : 129,761.64 = 91,172.64 : x
  2. Step 2: Convert to fraction form
    94,717.92/129,761.64 = 91,172.64/x
  3. Step 3: Cross multiply
    94,717.92x = 129,761.64 × 91,172.64
  4. Step 4: Simplify right side
    94,717.92x = 11,830,711,289.53
  5. Step 5: Solve for x
    x = 11,830,711,289.53/94,717.92
  6. Step 6: Final answer
    x = 124,904.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.