Home / 66,043.04-91,137.80-36,573.94

Finding the Fourth Proportional to 66,043.04, 91,137.80 and 36,573.94

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Solution

The fourth proportional to 66,043.04, 91,137.80 and 36,573.94 is: 50,471.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,043.04 : 91,137.80 = 36,573.94 : x
  2. Step 2: Convert to fraction form
    66,043.04/91,137.80 = 36,573.94/x
  3. Step 3: Cross multiply
    66,043.04x = 91,137.80 × 36,573.94
  4. Step 4: Simplify right side
    66,043.04x = 3,333,268,428.93
  5. Step 5: Solve for x
    x = 3,333,268,428.93/66,043.04
  6. Step 6: Final answer
    x = 50,471.15

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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.