Home / 79,226.13-109,332.91-43,415.37

Finding the Fourth Proportional to 79,226.13, 109,332.91 and 43,415.37

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Solution

The fourth proportional to 79,226.13, 109,332.91 and 43,415.37 is: 59,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,226.13 : 109,332.91 = 43,415.37 : x
  2. Step 2: Convert to fraction form
    79,226.13/109,332.91 = 43,415.37/x
  3. Step 3: Cross multiply
    79,226.13x = 109,332.91 × 43,415.37
  4. Step 4: Simplify right side
    79,226.13x = 4,746,728,609.70
  5. Step 5: Solve for x
    x = 4,746,728,609.70/79,226.13
  6. Step 6: Final answer
    x = 59,913.68

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1.5x scale

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.