Home / 101,736.04-140,393.22-56,414.20

Finding the Fourth Proportional to 101,736.04, 140,393.22 and 56,414.20

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Solution

The fourth proportional to 101,736.04, 140,393.22 and 56,414.20 is: 77,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,736.04 : 140,393.22 = 56,414.20 : x
  2. Step 2: Convert to fraction form
    101,736.04/140,393.22 = 56,414.20/x
  3. Step 3: Cross multiply
    101,736.04x = 140,393.22 × 56,414.20
  4. Step 4: Simplify right side
    101,736.04x = 7,920,171,191.72
  5. Step 5: Solve for x
    x = 7,920,171,191.72/101,736.04
  6. Step 6: Final answer
    x = 77,850.20

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1.5x scale

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.