Home / 101,264.36-139,698.27-58,814.69

Finding the Fourth Proportional to 101,264.36, 139,698.27 and 58,814.69

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Solution

The fourth proportional to 101,264.36, 139,698.27 and 58,814.69 is: 81,137.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,264.36 : 139,698.27 = 58,814.69 : x
  2. Step 2: Convert to fraction form
    101,264.36/139,698.27 = 58,814.69/x
  3. Step 3: Cross multiply
    101,264.36x = 139,698.27 × 58,814.69
  4. Step 4: Simplify right side
    101,264.36x = 8,216,309,745.09
  5. Step 5: Solve for x
    x = 8,216,309,745.09/101,264.36
  6. Step 6: Final answer
    x = 81,137.23

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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.