Home / 101,964.37-140,695.24-56,638.19

Finding the Fourth Proportional to 101,964.37, 140,695.24 and 56,638.19

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Solution

The fourth proportional to 101,964.37, 140,695.24 and 56,638.19 is: 78,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,964.37 : 140,695.24 = 56,638.19 : x
  2. Step 2: Convert to fraction form
    101,964.37/140,695.24 = 56,638.19/x
  3. Step 3: Cross multiply
    101,964.37x = 140,695.24 × 56,638.19
  4. Step 4: Simplify right side
    101,964.37x = 7,968,723,735.22
  5. Step 5: Solve for x
    x = 7,968,723,735.22/101,964.37
  6. Step 6: Final answer
    x = 78,152.04

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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.