Home / 66,043.81-91,130.79-37,744.03

Finding the Fourth Proportional to 66,043.81, 91,130.79 and 37,744.03

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Solution

The fourth proportional to 66,043.81, 91,130.79 and 37,744.03 is: 52,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,043.81 : 91,130.79 = 37,744.03 : x
  2. Step 2: Convert to fraction form
    66,043.81/91,130.79 = 37,744.03/x
  3. Step 3: Cross multiply
    66,043.81x = 91,130.79 × 37,744.03
  4. Step 4: Simplify right side
    66,043.81x = 3,439,643,271.68
  5. Step 5: Solve for x
    x = 3,439,643,271.68/66,043.81
  6. Step 6: Final answer
    x = 52,081.24

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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.