Home / 66,195.63-99,312.89-26,781.03

Finding the Fourth Proportional to 66,195.63, 99,312.89 and 26,781.03

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Solution

The fourth proportional to 66,195.63, 99,312.89 and 26,781.03 is: 40,179.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,195.63 : 99,312.89 = 26,781.03 : x
  2. Step 2: Convert to fraction form
    66,195.63/99,312.89 = 26,781.03/x
  3. Step 3: Cross multiply
    66,195.63x = 99,312.89 × 26,781.03
  4. Step 4: Simplify right side
    66,195.63x = 2,659,701,352.57
  5. Step 5: Solve for x
    x = 2,659,701,352.57/66,195.63
  6. Step 6: Final answer
    x = 40,179.41

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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.