Home / 79,166.24-109,249.28-43,356.28

Finding the Fourth Proportional to 79,166.24, 109,249.28 and 43,356.28

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Solution

The fourth proportional to 79,166.24, 109,249.28 and 43,356.28 is: 59,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,166.24 : 109,249.28 = 43,356.28 : x
  2. Step 2: Convert to fraction form
    79,166.24/109,249.28 = 43,356.28/x
  3. Step 3: Cross multiply
    79,166.24x = 109,249.28 × 43,356.28
  4. Step 4: Simplify right side
    79,166.24x = 4,736,642,373.48
  5. Step 5: Solve for x
    x = 4,736,642,373.48/79,166.24
  6. Step 6: Final answer
    x = 59,831.59

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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.