Home / 79,178.85-109,267.18-43,368.75

Finding the Fourth Proportional to 79,178.85, 109,267.18 and 43,368.75

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Solution

The fourth proportional to 79,178.85, 109,267.18 and 43,368.75 is: 59,849.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,178.85 : 109,267.18 = 43,368.75 : x
  2. Step 2: Convert to fraction form
    79,178.85/109,267.18 = 43,368.75/x
  3. Step 3: Cross multiply
    79,178.85x = 109,267.18 × 43,368.75
  4. Step 4: Simplify right side
    79,178.85x = 4,738,780,904.20
  5. Step 5: Solve for x
    x = 4,738,780,904.20/79,178.85
  6. Step 6: Final answer
    x = 59,849.07

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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.