Home / 79,166.28-109,250.70-43,355.64

Finding the Fourth Proportional to 79,166.28, 109,250.70 and 43,355.64

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Solution

The fourth proportional to 79,166.28, 109,250.70 and 43,355.64 is: 59,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,166.28 : 109,250.70 = 43,355.64 : x
  2. Step 2: Convert to fraction form
    79,166.28/109,250.70 = 43,355.64/x
  3. Step 3: Cross multiply
    79,166.28x = 109,250.70 × 43,355.64
  4. Step 4: Simplify right side
    79,166.28x = 4,736,634,018.95
  5. Step 5: Solve for x
    x = 4,736,634,018.95/79,166.28
  6. Step 6: Final answer
    x = 59,831.46

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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.