Home / 101,941.12-140,673.94-56,622.02

Finding the Fourth Proportional to 101,941.12, 140,673.94 and 56,622.02

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Solution

The fourth proportional to 101,941.12, 140,673.94 and 56,622.02 is: 78,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,941.12 : 140,673.94 = 56,622.02 : x
  2. Step 2: Convert to fraction form
    101,941.12/140,673.94 = 56,622.02/x
  3. Step 3: Cross multiply
    101,941.12x = 140,673.94 × 56,622.02
  4. Step 4: Simplify right side
    101,941.12x = 7,965,242,644.16
  5. Step 5: Solve for x
    x = 7,965,242,644.16/101,941.12
  6. Step 6: Final answer
    x = 78,135.72

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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.