Home / 101,786.22-140,465.34-56,465.10

Finding the Fourth Proportional to 101,786.22, 140,465.34 and 56,465.10

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Solution

The fourth proportional to 101,786.22, 140,465.34 and 56,465.10 is: 77,922.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,786.22 : 140,465.34 = 56,465.10 : x
  2. Step 2: Convert to fraction form
    101,786.22/140,465.34 = 56,465.10/x
  3. Step 3: Cross multiply
    101,786.22x = 140,465.34 × 56,465.10
  4. Step 4: Simplify right side
    101,786.22x = 7,931,389,469.63
  5. Step 5: Solve for x
    x = 7,931,389,469.63/101,786.22
  6. Step 6: Final answer
    x = 77,922.04

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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.