Home / 79,527.91-109,750.63-43,231.80

Finding the Fourth Proportional to 79,527.91, 109,750.63 and 43,231.80

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Solution

The fourth proportional to 79,527.91, 109,750.63 and 43,231.80 is: 59,661.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,527.91 : 109,750.63 = 43,231.80 : x
  2. Step 2: Convert to fraction form
    79,527.91/109,750.63 = 43,231.80/x
  3. Step 3: Cross multiply
    79,527.91x = 109,750.63 × 43,231.80
  4. Step 4: Simplify right side
    79,527.91x = 4,744,717,533.63
  5. Step 5: Solve for x
    x = 4,744,717,533.63/79,527.91
  6. Step 6: Final answer
    x = 59,661.04

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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.