Home / 69,012.03-103,612.82-35,755.05

Finding the Fourth Proportional to 69,012.03, 103,612.82 and 35,755.05

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Solution

The fourth proportional to 69,012.03, 103,612.82 and 35,755.05 is: 53,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,012.03 : 103,612.82 = 35,755.05 : x
  2. Step 2: Convert to fraction form
    69,012.03/103,612.82 = 35,755.05/x
  3. Step 3: Cross multiply
    69,012.03x = 103,612.82 × 35,755.05
  4. Step 4: Simplify right side
    69,012.03x = 3,704,681,559.74
  5. Step 5: Solve for x
    x = 3,704,681,559.74/69,012.03
  6. Step 6: Final answer
    x = 53,681.68

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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.