Home / 81,966.94-122,954.51-37,573.57

Finding the Fourth Proportional to 81,966.94, 122,954.51 and 37,573.57

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Solution

The fourth proportional to 81,966.94, 122,954.51 and 37,573.57 is: 56,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,966.94 : 122,954.51 = 37,573.57 : x
  2. Step 2: Convert to fraction form
    81,966.94/122,954.51 = 37,573.57/x
  3. Step 3: Cross multiply
    81,966.94x = 122,954.51 × 37,573.57
  4. Step 4: Simplify right side
    81,966.94x = 4,619,839,924.58
  5. Step 5: Solve for x
    x = 4,619,839,924.58/81,966.94
  6. Step 6: Final answer
    x = 56,362.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.