Home / 101,744.24-140,408.76-56,424.16

Finding the Fourth Proportional to 101,744.24, 140,408.76 and 56,424.16

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Solution

The fourth proportional to 101,744.24, 140,408.76 and 56,424.16 is: 77,866.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,744.24 : 140,408.76 = 56,424.16 : x
  2. Step 2: Convert to fraction form
    101,744.24/140,408.76 = 56,424.16/x
  3. Step 3: Cross multiply
    101,744.24x = 140,408.76 × 56,424.16
  4. Step 4: Simplify right side
    101,744.24x = 7,922,446,339.64
  5. Step 5: Solve for x
    x = 7,922,446,339.64/101,744.24
  6. Step 6: Final answer
    x = 77,866.29

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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.