Home / 101,934.10-140,670.94-56,616.28

Finding the Fourth Proportional to 101,934.10, 140,670.94 and 56,616.28

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Solution

The fourth proportional to 101,934.10, 140,670.94 and 56,616.28 is: 78,131.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,934.10 : 140,670.94 = 56,616.28 : x
  2. Step 2: Convert to fraction form
    101,934.10/140,670.94 = 56,616.28/x
  3. Step 3: Cross multiply
    101,934.10x = 140,670.94 × 56,616.28
  4. Step 4: Simplify right side
    101,934.10x = 7,964,265,326.90
  5. Step 5: Solve for x
    x = 7,964,265,326.90/101,934.10
  6. Step 6: Final answer
    x = 78,131.51

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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.