Home / 66,140.06-91,274.90-35,925.04

Finding the Fourth Proportional to 66,140.06, 91,274.90 and 35,925.04

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Solution

The fourth proportional to 66,140.06, 91,274.90 and 35,925.04 is: 49,577.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,140.06 : 91,274.90 = 35,925.04 : x
  2. Step 2: Convert to fraction form
    66,140.06/91,274.90 = 35,925.04/x
  3. Step 3: Cross multiply
    66,140.06x = 91,274.90 × 35,925.04
  4. Step 4: Simplify right side
    66,140.06x = 3,279,053,797.50
  5. Step 5: Solve for x
    x = 3,279,053,797.50/66,140.06
  6. Step 6: Final answer
    x = 49,577.42

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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.