Home / 79,226.48-109,330.80-43,415.72

Finding the Fourth Proportional to 79,226.48, 109,330.80 and 43,415.72

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Solution

The fourth proportional to 79,226.48, 109,330.80 and 43,415.72 is: 59,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,226.48 : 109,330.80 = 43,415.72 : x
  2. Step 2: Convert to fraction form
    79,226.48/109,330.80 = 43,415.72/x
  3. Step 3: Cross multiply
    79,226.48x = 109,330.80 × 43,415.72
  4. Step 4: Simplify right side
    79,226.48x = 4,746,675,400.18
  5. Step 5: Solve for x
    x = 4,746,675,400.18/79,226.48
  6. Step 6: Final answer
    x = 59,912.74

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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.