Home / 104,969.16-157,395.92-71,726.76

Finding the Fourth Proportional to 104,969.16, 157,395.92 and 71,726.76

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Solution

The fourth proportional to 104,969.16, 157,395.92 and 71,726.76 is: 107,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,969.16 : 157,395.92 = 71,726.76 : x
  2. Step 2: Convert to fraction form
    104,969.16/157,395.92 = 71,726.76/x
  3. Step 3: Cross multiply
    104,969.16x = 157,395.92 × 71,726.76
  4. Step 4: Simplify right side
    104,969.16x = 11,289,499,378.82
  5. Step 5: Solve for x
    x = 11,289,499,378.82/104,969.16
  6. Step 6: Final answer
    x = 107,550.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.