Home / 79,154.48-109,233.18-43,346.68

Finding the Fourth Proportional to 79,154.48, 109,233.18 and 43,346.68

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Solution

The fourth proportional to 79,154.48, 109,233.18 and 43,346.68 is: 59,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,154.48 : 109,233.18 = 43,346.68 : x
  2. Step 2: Convert to fraction form
    79,154.48/109,233.18 = 43,346.68/x
  3. Step 3: Cross multiply
    79,154.48x = 109,233.18 × 43,346.68
  4. Step 4: Simplify right side
    79,154.48x = 4,734,895,698.84
  5. Step 5: Solve for x
    x = 4,734,895,698.84/79,154.48
  6. Step 6: Final answer
    x = 59,818.42

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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.